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Finding the Fourth Proportional to 125,232.20, 172,820.02 and 67,873.20

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Solution

The fourth proportional to 125,232.20, 172,820.02 and 67,873.20 is: 93,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,232.20 : 172,820.02 = 67,873.20 : x
  2. Step 2: Convert to fraction form
    125,232.20/172,820.02 = 67,873.20/x
  3. Step 3: Cross multiply
    125,232.20x = 172,820.02 × 67,873.20
  4. Step 4: Simplify right side
    125,232.20x = 11,729,847,781.46
  5. Step 5: Solve for x
    x = 11,729,847,781.46/125,232.20
  6. Step 6: Final answer
    x = 93,664.79

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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.