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Finding the Fourth Proportional to 151,872.70, 227,626.80 and 104,487.70

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Solution

The fourth proportional to 151,872.70, 227,626.80 and 104,487.70 is: 156,606.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,872.70 : 227,626.80 = 104,487.70 : x
  2. Step 2: Convert to fraction form
    151,872.70/227,626.80 = 104,487.70/x
  3. Step 3: Cross multiply
    151,872.70x = 227,626.80 × 104,487.70
  4. Step 4: Simplify right side
    151,872.70x = 23,784,200,790.36
  5. Step 5: Solve for x
    x = 23,784,200,790.36/151,872.70
  6. Step 6: Final answer
    x = 156,606.16

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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.