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Finding the Fourth Proportional to 71,318.88, 107,099.82 and 59,460.48

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Solution

The fourth proportional to 71,318.88, 107,099.82 and 59,460.48 is: 89,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,318.88 : 107,099.82 = 59,460.48 : x
  2. Step 2: Convert to fraction form
    71,318.88/107,099.82 = 59,460.48/x
  3. Step 3: Cross multiply
    71,318.88x = 107,099.82 × 59,460.48
  4. Step 4: Simplify right side
    71,318.88x = 6,368,206,705.11
  5. Step 5: Solve for x
    x = 6,368,206,705.11/71,318.88
  6. Step 6: Final answer
    x = 89,292.02

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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.