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Finding the Fourth Proportional to 125,248.68, 172,850.13 and 71,551.13

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Solution

The fourth proportional to 125,248.68, 172,850.13 and 71,551.13 is: 98,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,248.68 : 172,850.13 = 71,551.13 : x
  2. Step 2: Convert to fraction form
    125,248.68/172,850.13 = 71,551.13/x
  3. Step 3: Cross multiply
    125,248.68x = 172,850.13 × 71,551.13
  4. Step 4: Simplify right side
    125,248.68x = 12,367,621,257.90
  5. Step 5: Solve for x
    x = 12,367,621,257.90/125,248.68
  6. Step 6: Final answer
    x = 98,744.52

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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.