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Finding the Fourth Proportional to 60,654.59, 91,046.58 and 53,678.97

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Solution

The fourth proportional to 60,654.59, 91,046.58 and 53,678.97 is: 80,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,654.59 : 91,046.58 = 53,678.97 : x
  2. Step 2: Convert to fraction form
    60,654.59/91,046.58 = 53,678.97/x
  3. Step 3: Cross multiply
    60,654.59x = 91,046.58 × 53,678.97
  4. Step 4: Simplify right side
    60,654.59x = 4,887,285,912.79
  5. Step 5: Solve for x
    x = 4,887,285,912.79/60,654.59
  6. Step 6: Final answer
    x = 80,575.70

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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.