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Finding the Fourth Proportional to 361,766.33, 542,702.95 and 125,045.45

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Solution

The fourth proportional to 361,766.33, 542,702.95 and 125,045.45 is: 187,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,766.33 : 542,702.95 = 125,045.45 : x
  2. Step 2: Convert to fraction form
    361,766.33/542,702.95 = 125,045.45/x
  3. Step 3: Cross multiply
    361,766.33x = 542,702.95 × 125,045.45
  4. Step 4: Simplify right side
    361,766.33x = 67,862,531,885.56
  5. Step 5: Solve for x
    x = 67,862,531,885.56/361,766.33
  6. Step 6: Final answer
    x = 187,586.65

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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.