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Finding the Fourth Proportional to 158,959.86, 238,439.04 and 40,631.04

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Solution

The fourth proportional to 158,959.86, 238,439.04 and 40,631.04 is: 60,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,959.86 : 238,439.04 = 40,631.04 : x
  2. Step 2: Convert to fraction form
    158,959.86/238,439.04 = 40,631.04/x
  3. Step 3: Cross multiply
    158,959.86x = 238,439.04 × 40,631.04
  4. Step 4: Simplify right side
    158,959.86x = 9,688,026,171.80
  5. Step 5: Solve for x
    x = 9,688,026,171.80/158,959.86
  6. Step 6: Final answer
    x = 60,946.37

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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.