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Finding the Fourth Proportional to 169,475.46, 254,214.70 and 43,115.88

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Solution

The fourth proportional to 169,475.46, 254,214.70 and 43,115.88 is: 64,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,475.46 : 254,214.70 = 43,115.88 : x
  2. Step 2: Convert to fraction form
    169,475.46/254,214.70 = 43,115.88/x
  3. Step 3: Cross multiply
    169,475.46x = 254,214.70 × 43,115.88
  4. Step 4: Simplify right side
    169,475.46x = 10,960,690,499.44
  5. Step 5: Solve for x
    x = 10,960,690,499.44/169,475.46
  6. Step 6: Final answer
    x = 64,674.20

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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.