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Finding the Fourth Proportional to 125,471.89, 173,151.84 and 71,759.17

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Solution

The fourth proportional to 125,471.89, 173,151.84 and 71,759.17 is: 99,028.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,471.89 : 173,151.84 = 71,759.17 : x
  2. Step 2: Convert to fraction form
    125,471.89/173,151.84 = 71,759.17/x
  3. Step 3: Cross multiply
    125,471.89x = 173,151.84 × 71,759.17
  4. Step 4: Simplify right side
    125,471.89x = 12,425,232,322.37
  5. Step 5: Solve for x
    x = 12,425,232,322.37/125,471.89
  6. Step 6: Final answer
    x = 99,028.02

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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.