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Finding the Fourth Proportional to 361,375.84, 542,055.92 and 124,710.56

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Solution

The fourth proportional to 361,375.84, 542,055.92 and 124,710.56 is: 187,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,375.84 : 542,055.92 = 124,710.56 : x
  2. Step 2: Convert to fraction form
    361,375.84/542,055.92 = 124,710.56/x
  3. Step 3: Cross multiply
    361,375.84x = 542,055.92 × 124,710.56
  4. Step 4: Simplify right side
    361,375.84x = 67,600,097,334.52
  5. Step 5: Solve for x
    x = 67,600,097,334.52/361,375.84
  6. Step 6: Final answer
    x = 187,063.13

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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.