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Finding the Fourth Proportional to 169,568.44, 254,337.90 and 64,388.20

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Solution

The fourth proportional to 169,568.44, 254,337.90 and 64,388.20 is: 96,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,568.44 : 254,337.90 = 64,388.20 : x
  2. Step 2: Convert to fraction form
    169,568.44/254,337.90 = 64,388.20/x
  3. Step 3: Cross multiply
    169,568.44x = 254,337.90 × 64,388.20
  4. Step 4: Simplify right side
    169,568.44x = 16,376,359,572.78
  5. Step 5: Solve for x
    x = 16,376,359,572.78/169,568.44
  6. Step 6: Final answer
    x = 96,576.70

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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.