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Finding the Fourth Proportional to 266,127.42, 399,272.94 and 159,629.52

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Solution

The fourth proportional to 266,127.42, 399,272.94 and 159,629.52 is: 239,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,127.42 : 399,272.94 = 159,629.52 : x
  2. Step 2: Convert to fraction form
    266,127.42/399,272.94 = 159,629.52/x
  3. Step 3: Cross multiply
    266,127.42x = 399,272.94 × 159,629.52
  4. Step 4: Simplify right side
    266,127.42x = 63,735,747,761.19
  5. Step 5: Solve for x
    x = 63,735,747,761.19/266,127.42
  6. Step 6: Final answer
    x = 239,493.35

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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.