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Finding the Fourth Proportional to 126,609.61, 174,714.20 and 69,237.61

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Solution

The fourth proportional to 126,609.61, 174,714.20 and 69,237.61 is: 95,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,609.61 : 174,714.20 = 69,237.61 : x
  2. Step 2: Convert to fraction form
    126,609.61/174,714.20 = 69,237.61/x
  3. Step 3: Cross multiply
    126,609.61x = 174,714.20 × 69,237.61
  4. Step 4: Simplify right side
    126,609.61x = 12,096,793,294.87
  5. Step 5: Solve for x
    x = 12,096,793,294.87/126,609.61
  6. Step 6: Final answer
    x = 95,544.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.