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Finding the Fourth Proportional to 99,447,760.35, 149,171,640.53 and 99,447,760.35

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Solution

The fourth proportional to 99,447,760.35, 149,171,640.53 and 99,447,760.35 is: 149,171,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,447,760.35 : 149,171,640.53 = 99,447,760.35 : x
  2. Step 2: Convert to fraction form
    99,447,760.35/149,171,640.53 = 99,447,760.35/x
  3. Step 3: Cross multiply
    99,447,760.35x = 149,171,640.53 × 99,447,760.35
  4. Step 4: Simplify right side
    99,447,760.35x = 14,834,785,557,946,548
  5. Step 5: Solve for x
    x = 14,834,785,557,946,548/99,447,760.35
  6. Step 6: Final answer
    x = 149,171,640.53

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.