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Finding the Fourth Proportional to 227,603.35, 341,405.03 and 156,744.55

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Solution

The fourth proportional to 227,603.35, 341,405.03 and 156,744.55 is: 235,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,603.35 : 341,405.03 = 156,744.55 : x
  2. Step 2: Convert to fraction form
    227,603.35/341,405.03 = 156,744.55/x
  3. Step 3: Cross multiply
    227,603.35x = 341,405.03 × 156,744.55
  4. Step 4: Simplify right side
    227,603.35x = 53,513,377,795.09
  5. Step 5: Solve for x
    x = 53,513,377,795.09/227,603.35
  6. Step 6: Final answer
    x = 235,116.83

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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.