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Finding the Fourth Proportional to 158,959.28, 238,504.20 and 75,800.24

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Solution

The fourth proportional to 158,959.28, 238,504.20 and 75,800.24 is: 113,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,959.28 : 238,504.20 = 75,800.24 : x
  2. Step 2: Convert to fraction form
    158,959.28/238,504.20 = 75,800.24/x
  3. Step 3: Cross multiply
    158,959.28x = 238,504.20 × 75,800.24
  4. Step 4: Simplify right side
    158,959.28x = 18,078,675,601.01
  5. Step 5: Solve for x
    x = 18,078,675,601.01/158,959.28
  6. Step 6: Final answer
    x = 113,731.49

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1.5x scale

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.