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Finding the Fourth Proportional to 99,295.74, 137,027.08 and 73,915.60

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Solution

The fourth proportional to 99,295.74, 137,027.08 and 73,915.60 is: 102,002.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,295.74 : 137,027.08 = 73,915.60 : x
  2. Step 2: Convert to fraction form
    99,295.74/137,027.08 = 73,915.60/x
  3. Step 3: Cross multiply
    99,295.74x = 137,027.08 × 73,915.60
  4. Step 4: Simplify right side
    99,295.74x = 10,128,438,464.87
  5. Step 5: Solve for x
    x = 10,128,438,464.87/99,295.74
  6. Step 6: Final answer
    x = 102,002.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.