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Finding the Fourth Proportional to 266,548.97, 399,844.47 and 89,056.59

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Solution

The fourth proportional to 266,548.97, 399,844.47 and 89,056.59 is: 133,591.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,548.97 : 399,844.47 = 89,056.59 : x
  2. Step 2: Convert to fraction form
    266,548.97/399,844.47 = 89,056.59/x
  3. Step 3: Cross multiply
    266,548.97x = 399,844.47 × 89,056.59
  4. Step 4: Simplify right side
    266,548.97x = 35,608,785,028.56
  5. Step 5: Solve for x
    x = 35,608,785,028.56/266,548.97
  6. Step 6: Final answer
    x = 133,591.91

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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.