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Finding the Fourth Proportional to 224,877.63, 337,316.45 and 91,820.55

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Solution

The fourth proportional to 224,877.63, 337,316.45 and 91,820.55 is: 137,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,877.63 : 337,316.45 = 91,820.55 : x
  2. Step 2: Convert to fraction form
    224,877.63/337,316.45 = 91,820.55/x
  3. Step 3: Cross multiply
    224,877.63x = 337,316.45 × 91,820.55
  4. Step 4: Simplify right side
    224,877.63x = 30,972,581,503.94
  5. Step 5: Solve for x
    x = 30,972,581,503.94/224,877.63
  6. Step 6: Final answer
    x = 137,730.83

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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.