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Finding the Fourth Proportional to 136,294.92, 204,442.34 and 36,452.54

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Solution

The fourth proportional to 136,294.92, 204,442.34 and 36,452.54 is: 54,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,294.92 : 204,442.34 = 36,452.54 : x
  2. Step 2: Convert to fraction form
    136,294.92/204,442.34 = 36,452.54/x
  3. Step 3: Cross multiply
    136,294.92x = 204,442.34 × 36,452.54
  4. Step 4: Simplify right side
    136,294.92x = 7,452,442,576.54
  5. Step 5: Solve for x
    x = 7,452,442,576.54/136,294.92
  6. Step 6: Final answer
    x = 54,678.80

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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.