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Finding the Fourth Proportional to 124,922.27, 187,356.27 and 39,539.77

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Solution

The fourth proportional to 124,922.27, 187,356.27 and 39,539.77 is: 59,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,922.27 : 187,356.27 = 39,539.77 : x
  2. Step 2: Convert to fraction form
    124,922.27/187,356.27 = 39,539.77/x
  3. Step 3: Cross multiply
    124,922.27x = 187,356.27 × 39,539.77
  4. Step 4: Simplify right side
    124,922.27x = 7,408,022,689.38
  5. Step 5: Solve for x
    x = 7,408,022,689.38/124,922.27
  6. Step 6: Final answer
    x = 59,301.06

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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.