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Finding the Fourth Proportional to 151,489.42, 227,154.54 and 67,213.06

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Solution

The fourth proportional to 151,489.42, 227,154.54 and 67,213.06 is: 100,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,489.42 : 227,154.54 = 67,213.06 : x
  2. Step 2: Convert to fraction form
    151,489.42/227,154.54 = 67,213.06/x
  3. Step 3: Cross multiply
    151,489.42x = 227,154.54 × 67,213.06
  4. Step 4: Simplify right side
    151,489.42x = 15,267,751,726.29
  5. Step 5: Solve for x
    x = 15,267,751,726.29/151,489.42
  6. Step 6: Final answer
    x = 100,784.28

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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.