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Finding the Fourth Proportional to 124,893.93, 187,342.62 and 40,654.52

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Solution

The fourth proportional to 124,893.93, 187,342.62 and 40,654.52 is: 60,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,893.93 : 187,342.62 = 40,654.52 : x
  2. Step 2: Convert to fraction form
    124,893.93/187,342.62 = 40,654.52/x
  3. Step 3: Cross multiply
    124,893.93x = 187,342.62 × 40,654.52
  4. Step 4: Simplify right side
    124,893.93x = 7,616,324,291.64
  5. Step 5: Solve for x
    x = 7,616,324,291.64/124,893.93
  6. Step 6: Final answer
    x = 60,982.34

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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.