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Finding the Fourth Proportional to 224,731.40, 337,226.70 and 84,590.60

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Solution

The fourth proportional to 224,731.40, 337,226.70 and 84,590.60 is: 126,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,731.40 : 337,226.70 = 84,590.60 : x
  2. Step 2: Convert to fraction form
    224,731.40/337,226.70 = 84,590.60/x
  3. Step 3: Cross multiply
    224,731.40x = 337,226.70 × 84,590.60
  4. Step 4: Simplify right side
    224,731.40x = 28,526,208,889.02
  5. Step 5: Solve for x
    x = 28,526,208,889.02/224,731.40
  6. Step 6: Final answer
    x = 126,934.68

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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.