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Finding the Fourth Proportional to 276,654.01, 415,085.60 and 108,294.66

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Solution

The fourth proportional to 276,654.01, 415,085.60 and 108,294.66 is: 162,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,654.01 : 415,085.60 = 108,294.66 : x
  2. Step 2: Convert to fraction form
    276,654.01/415,085.60 = 108,294.66/x
  3. Step 3: Cross multiply
    276,654.01x = 415,085.60 × 108,294.66
  4. Step 4: Simplify right side
    276,654.01x = 44,951,553,922.90
  5. Step 5: Solve for x
    x = 44,951,553,922.90/276,654.01
  6. Step 6: Final answer
    x = 162,482.93

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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.