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Finding the Fourth Proportional to 158,761.26, 238,141.88 and 47,953.26

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Solution

The fourth proportional to 158,761.26, 238,141.88 and 47,953.26 is: 71,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,761.26 : 238,141.88 = 47,953.26 : x
  2. Step 2: Convert to fraction form
    158,761.26/238,141.88 = 47,953.26/x
  3. Step 3: Cross multiply
    158,761.26x = 238,141.88 × 47,953.26
  4. Step 4: Simplify right side
    158,761.26x = 11,419,679,488.53
  5. Step 5: Solve for x
    x = 11,419,679,488.53/158,761.26
  6. Step 6: Final answer
    x = 71,929.89

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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.