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Finding the Fourth Proportional to 67,512.59, 101,173.81 and 51,656.23

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Solution

The fourth proportional to 67,512.59, 101,173.81 and 51,656.23 is: 77,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,512.59 : 101,173.81 = 51,656.23 : x
  2. Step 2: Convert to fraction form
    67,512.59/101,173.81 = 51,656.23/x
  3. Step 3: Cross multiply
    67,512.59x = 101,173.81 × 51,656.23
  4. Step 4: Simplify right side
    67,512.59x = 5,226,257,599.34
  5. Step 5: Solve for x
    x = 5,226,257,599.34/67,512.59
  6. Step 6: Final answer
    x = 77,411.60

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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.