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Finding the Fourth Proportional to 266,110.56, 399,150.72 and 160,901.28

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Solution

The fourth proportional to 266,110.56, 399,150.72 and 160,901.28 is: 241,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,110.56 : 399,150.72 = 160,901.28 : x
  2. Step 2: Convert to fraction form
    266,110.56/399,150.72 = 160,901.28/x
  3. Step 3: Cross multiply
    266,110.56x = 399,150.72 × 160,901.28
  4. Step 4: Simplify right side
    266,110.56x = 64,223,861,760.92
  5. Step 5: Solve for x
    x = 64,223,861,760.92/266,110.56
  6. Step 6: Final answer
    x = 241,342.78

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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.