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Finding the Fourth Proportional to 361,881.94, 542,826.42 and 137,182

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Solution

The fourth proportional to 361,881.94, 542,826.42 and 137,182 is: 205,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,881.94 : 542,826.42 = 137,182 : x
  2. Step 2: Convert to fraction form
    361,881.94/542,826.42 = 137,182/x
  3. Step 3: Cross multiply
    361,881.94x = 542,826.42 × 137,182
  4. Step 4: Simplify right side
    361,881.94x = 74,466,013,948.44
  5. Step 5: Solve for x
    x = 74,466,013,948.44/361,881.94
  6. Step 6: Final answer
    x = 205,774.33

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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.