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Finding the Fourth Proportional to 99,049.87, 136,713.21 and 60,818.58

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Solution

The fourth proportional to 99,049.87, 136,713.21 and 60,818.58 is: 83,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,049.87 : 136,713.21 = 60,818.58 : x
  2. Step 2: Convert to fraction form
    99,049.87/136,713.21 = 60,818.58/x
  3. Step 3: Cross multiply
    99,049.87x = 136,713.21 × 60,818.58
  4. Step 4: Simplify right side
    99,049.87x = 8,314,702,957.66
  5. Step 5: Solve for x
    x = 8,314,702,957.66/99,049.87
  6. Step 6: Final answer
    x = 83,944.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.