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Finding the Fourth Proportional to 124,654.83, 186,878.16 and 58,060.68

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Solution

The fourth proportional to 124,654.83, 186,878.16 and 58,060.68 is: 87,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,654.83 : 186,878.16 = 58,060.68 : x
  2. Step 2: Convert to fraction form
    124,654.83/186,878.16 = 58,060.68/x
  3. Step 3: Cross multiply
    124,654.83x = 186,878.16 × 58,060.68
  4. Step 4: Simplify right side
    124,654.83x = 10,850,273,046.75
  5. Step 5: Solve for x
    x = 10,850,273,046.75/124,654.83
  6. Step 6: Final answer
    x = 87,042.54

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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.