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Finding the Fourth Proportional to 169,951.30, 254,697.32 and 64,712.86

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Solution

The fourth proportional to 169,951.30, 254,697.32 and 64,712.86 is: 96,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,951.30 : 254,697.32 = 64,712.86 : x
  2. Step 2: Convert to fraction form
    169,951.30/254,697.32 = 64,712.86/x
  3. Step 3: Cross multiply
    169,951.30x = 254,697.32 × 64,712.86
  4. Step 4: Simplify right side
    169,951.30x = 16,482,191,687.97
  5. Step 5: Solve for x
    x = 16,482,191,687.97/169,951.30
  6. Step 6: Final answer
    x = 96,981.85

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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.