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Finding the Fourth Proportional to 71,904.70, 107,610.81 and 59,273.02

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Solution

The fourth proportional to 71,904.70, 107,610.81 and 59,273.02 is: 88,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,904.70 : 107,610.81 = 59,273.02 : x
  2. Step 2: Convert to fraction form
    71,904.70/107,610.81 = 59,273.02/x
  3. Step 3: Cross multiply
    71,904.70x = 107,610.81 × 59,273.02
  4. Step 4: Simplify right side
    71,904.70x = 6,378,417,693.35
  5. Step 5: Solve for x
    x = 6,378,417,693.35/71,904.70
  6. Step 6: Final answer
    x = 88,706.55

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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.