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Finding the Fourth Proportional to 150,654.67, 207,902.88 and 82,672.79

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Solution

The fourth proportional to 150,654.67, 207,902.88 and 82,672.79 is: 114,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,654.67 : 207,902.88 = 82,672.79 : x
  2. Step 2: Convert to fraction form
    150,654.67/207,902.88 = 82,672.79/x
  3. Step 3: Cross multiply
    150,654.67x = 207,902.88 × 82,672.79
  4. Step 4: Simplify right side
    150,654.67x = 17,187,910,878.76
  5. Step 5: Solve for x
    x = 17,187,910,878.76/150,654.67
  6. Step 6: Final answer
    x = 114,088.14

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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.