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Finding the Fourth Proportional to 98,576.60, 147,864.90 and 36,234.20

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Solution

The fourth proportional to 98,576.60, 147,864.90 and 36,234.20 is: 54,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,576.60 : 147,864.90 = 36,234.20 : x
  2. Step 2: Convert to fraction form
    98,576.60/147,864.90 = 36,234.20/x
  3. Step 3: Cross multiply
    98,576.60x = 147,864.90 × 36,234.20
  4. Step 4: Simplify right side
    98,576.60x = 5,357,766,359.58
  5. Step 5: Solve for x
    x = 5,357,766,359.58/98,576.60
  6. Step 6: Final answer
    x = 54,351.30

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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.