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Finding the Fourth Proportional to 361,818.28, 542,753.40 and 95,576.20

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Solution

The fourth proportional to 361,818.28, 542,753.40 and 95,576.20 is: 143,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,818.28 : 542,753.40 = 95,576.20 : x
  2. Step 2: Convert to fraction form
    361,818.28/542,753.40 = 95,576.20/x
  3. Step 3: Cross multiply
    361,818.28x = 542,753.40 × 95,576.20
  4. Step 4: Simplify right side
    361,818.28x = 51,874,307,509.08
  5. Step 5: Solve for x
    x = 51,874,307,509.08/361,818.28
  6. Step 6: Final answer
    x = 143,371.16

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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.