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Finding the Fourth Proportional to 240,989.60, 361,415.28 and 93,211.04

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Solution

The fourth proportional to 240,989.60, 361,415.28 and 93,211.04 is: 139,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,989.60 : 361,415.28 = 93,211.04 : x
  2. Step 2: Convert to fraction form
    240,989.60/361,415.28 = 93,211.04/x
  3. Step 3: Cross multiply
    240,989.60x = 361,415.28 × 93,211.04
  4. Step 4: Simplify right side
    240,989.60x = 33,687,894,120.69
  5. Step 5: Solve for x
    x = 33,687,894,120.69/240,989.60
  6. Step 6: Final answer
    x = 139,789.83

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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.