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Finding the Fourth Proportional to 361,635.84, 542,278.80 and 124,895.52

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Solution

The fourth proportional to 361,635.84, 542,278.80 and 124,895.52 is: 187,282.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,635.84 : 542,278.80 = 124,895.52 : x
  2. Step 2: Convert to fraction form
    361,635.84/542,278.80 = 124,895.52/x
  3. Step 3: Cross multiply
    361,635.84x = 542,278.80 × 124,895.52
  4. Step 4: Simplify right side
    361,635.84x = 67,728,192,710.98
  5. Step 5: Solve for x
    x = 67,728,192,710.98/361,635.84
  6. Step 6: Final answer
    x = 187,282.86

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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.