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Finding the Fourth Proportional to 132,473.52, 198,647.84 and 48,174.40

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Solution

The fourth proportional to 132,473.52, 198,647.84 and 48,174.40 is: 72,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,473.52 : 198,647.84 = 48,174.40 : x
  2. Step 2: Convert to fraction form
    132,473.52/198,647.84 = 48,174.40/x
  3. Step 3: Cross multiply
    132,473.52x = 198,647.84 × 48,174.40
  4. Step 4: Simplify right side
    132,473.52x = 9,569,740,503.30
  5. Step 5: Solve for x
    x = 9,569,740,503.30/132,473.52
  6. Step 6: Final answer
    x = 72,238.89

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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.