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Finding the Fourth Proportional to 132,481.86, 198,775.88 and 48,247.89

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Solution

The fourth proportional to 132,481.86, 198,775.88 and 48,247.89 is: 72,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,481.86 : 198,775.88 = 48,247.89 : x
  2. Step 2: Convert to fraction form
    132,481.86/198,775.88 = 48,247.89/x
  3. Step 3: Cross multiply
    132,481.86x = 198,775.88 × 48,247.89
  4. Step 4: Simplify right side
    132,481.86x = 9,590,516,792.89
  5. Step 5: Solve for x
    x = 9,590,516,792.89/132,481.86
  6. Step 6: Final answer
    x = 72,391.17

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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.