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Finding the Fourth Proportional to 158,876.71, 238,314.87 and 40,548.06

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Solution

The fourth proportional to 158,876.71, 238,314.87 and 40,548.06 is: 60,822.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,876.71 : 238,314.87 = 40,548.06 : x
  2. Step 2: Convert to fraction form
    158,876.71/238,314.87 = 40,548.06/x
  3. Step 3: Cross multiply
    158,876.71x = 238,314.87 × 40,548.06
  4. Step 4: Simplify right side
    158,876.71x = 9,663,205,647.65
  5. Step 5: Solve for x
    x = 9,663,205,647.65/158,876.71
  6. Step 6: Final answer
    x = 60,822.04

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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.