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Finding the Fourth Proportional to 227,531.76, 341,172.36 and 87,304.56

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Solution

The fourth proportional to 227,531.76, 341,172.36 and 87,304.56 is: 130,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,531.76 : 341,172.36 = 87,304.56 : x
  2. Step 2: Convert to fraction form
    227,531.76/341,172.36 = 87,304.56/x
  3. Step 3: Cross multiply
    227,531.76x = 341,172.36 × 87,304.56
  4. Step 4: Simplify right side
    227,531.76x = 29,785,902,773.96
  5. Step 5: Solve for x
    x = 29,785,902,773.96/227,531.76
  6. Step 6: Final answer
    x = 130,908.77

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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.