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Finding the Fourth Proportional to 124,690.87, 187,062.56 and 40,444.44

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Solution

The fourth proportional to 124,690.87, 187,062.56 and 40,444.44 is: 60,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,690.87 : 187,062.56 = 40,444.44 : x
  2. Step 2: Convert to fraction form
    124,690.87/187,062.56 = 40,444.44/x
  3. Step 3: Cross multiply
    124,690.87x = 187,062.56 × 40,444.44
  4. Step 4: Simplify right side
    124,690.87x = 7,565,640,484.17
  5. Step 5: Solve for x
    x = 7,565,640,484.17/124,690.87
  6. Step 6: Final answer
    x = 60,675.18

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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.