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Finding the Fourth Proportional to 158,891.74, 238,338.01 and 38,949.22

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Solution

The fourth proportional to 158,891.74, 238,338.01 and 38,949.22 is: 58,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,891.74 : 238,338.01 = 38,949.22 : x
  2. Step 2: Convert to fraction form
    158,891.74/238,338.01 = 38,949.22/x
  3. Step 3: Cross multiply
    158,891.74x = 238,338.01 × 38,949.22
  4. Step 4: Simplify right side
    158,891.74x = 9,283,078,762.66
  5. Step 5: Solve for x
    x = 9,283,078,762.66/158,891.74
  6. Step 6: Final answer
    x = 58,423.92

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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.