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Finding the Fourth Proportional to 110,627.92, 165,890.04 and 40,458.16

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Solution

The fourth proportional to 110,627.92, 165,890.04 and 40,458.16 is: 60,668.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,627.92 : 165,890.04 = 40,458.16 : x
  2. Step 2: Convert to fraction form
    110,627.92/165,890.04 = 40,458.16/x
  3. Step 3: Cross multiply
    110,627.92x = 165,890.04 × 40,458.16
  4. Step 4: Simplify right side
    110,627.92x = 6,711,605,780.73
  5. Step 5: Solve for x
    x = 6,711,605,780.73/110,627.92
  6. Step 6: Final answer
    x = 60,668.28

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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.