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Finding the Fourth Proportional to 240,863.60, 361,149.60 and 107,719.04

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Solution

The fourth proportional to 240,863.60, 361,149.60 and 107,719.04 is: 161,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,863.60 : 361,149.60 = 107,719.04 : x
  2. Step 2: Convert to fraction form
    240,863.60/361,149.60 = 107,719.04/x
  3. Step 3: Cross multiply
    240,863.60x = 361,149.60 × 107,719.04
  4. Step 4: Simplify right side
    240,863.60x = 38,902,688,208.38
  5. Step 5: Solve for x
    x = 38,902,688,208.38/240,863.60
  6. Step 6: Final answer
    x = 161,513.36

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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.