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Finding the Fourth Proportional to 83,459.65, 125,046.84 and 59,645.53

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Solution

The fourth proportional to 83,459.65, 125,046.84 and 59,645.53 is: 89,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,459.65 : 125,046.84 = 59,645.53 : x
  2. Step 2: Convert to fraction form
    83,459.65/125,046.84 = 59,645.53/x
  3. Step 3: Cross multiply
    83,459.65x = 125,046.84 × 59,645.53
  4. Step 4: Simplify right side
    83,459.65x = 7,458,484,734.01
  5. Step 5: Solve for x
    x = 7,458,484,734.01/83,459.65
  6. Step 6: Final answer
    x = 89,366.36

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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.