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Finding the Fourth Proportional to 169,411.28, 254,125.56 and 64,238.96

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Solution

The fourth proportional to 169,411.28, 254,125.56 and 64,238.96 is: 96,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,411.28 : 254,125.56 = 64,238.96 : x
  2. Step 2: Convert to fraction form
    169,411.28/254,125.56 = 64,238.96/x
  3. Step 3: Cross multiply
    169,411.28x = 254,125.56 × 64,238.96
  4. Step 4: Simplify right side
    169,411.28x = 16,324,761,683.82
  5. Step 5: Solve for x
    x = 16,324,761,683.82/169,411.28
  6. Step 6: Final answer
    x = 96,361.72

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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.