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Finding the Fourth Proportional to 104,148.38, 156,156.35 and 88,358.85

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Solution

The fourth proportional to 104,148.38, 156,156.35 and 88,358.85 is: 132,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,148.38 : 156,156.35 = 88,358.85 : x
  2. Step 2: Convert to fraction form
    104,148.38/156,156.35 = 88,358.85/x
  3. Step 3: Cross multiply
    104,148.38x = 156,156.35 × 88,358.85
  4. Step 4: Simplify right side
    104,148.38x = 13,797,795,506.20
  5. Step 5: Solve for x
    x = 13,797,795,506.20/104,148.38
  6. Step 6: Final answer
    x = 132,482.09

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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.