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Finding the Fourth Proportional to 169,638.03, 233,902.70 and 126,542.71

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Solution

The fourth proportional to 169,638.03, 233,902.70 and 126,542.71 is: 174,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,638.03 : 233,902.70 = 126,542.71 : x
  2. Step 2: Convert to fraction form
    169,638.03/233,902.70 = 126,542.71/x
  3. Step 3: Cross multiply
    169,638.03x = 233,902.70 × 126,542.71
  4. Step 4: Simplify right side
    169,638.03x = 29,598,679,732.09
  5. Step 5: Solve for x
    x = 29,598,679,732.09/169,638.03
  6. Step 6: Final answer
    x = 174,481.40

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1.5x scale

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.