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Finding the Fourth Proportional to 110,618.87, 152,654.02 and 60,317.87

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Solution

The fourth proportional to 110,618.87, 152,654.02 and 60,317.87 is: 83,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,618.87 : 152,654.02 = 60,317.87 : x
  2. Step 2: Convert to fraction form
    110,618.87/152,654.02 = 60,317.87/x
  3. Step 3: Cross multiply
    110,618.87x = 152,654.02 × 60,317.87
  4. Step 4: Simplify right side
    110,618.87x = 9,207,764,419.27
  5. Step 5: Solve for x
    x = 9,207,764,419.27/110,618.87
  6. Step 6: Final answer
    x = 83,238.64

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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.