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Finding the Fourth Proportional to 224,712.90, 337,215.15 and 129,942.90

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Solution

The fourth proportional to 224,712.90, 337,215.15 and 129,942.90 is: 194,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,712.90 : 337,215.15 = 129,942.90 : x
  2. Step 2: Convert to fraction form
    224,712.90/337,215.15 = 129,942.90/x
  3. Step 3: Cross multiply
    224,712.90x = 337,215.15 × 129,942.90
  4. Step 4: Simplify right side
    224,712.90x = 43,818,714,514.94
  5. Step 5: Solve for x
    x = 43,818,714,514.94/224,712.90
  6. Step 6: Final answer
    x = 194,998.66

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1.5x scale

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.