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Finding the Fourth Proportional to 245,356.16, 367,348.01 and 132,631.88

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Solution

The fourth proportional to 245,356.16, 367,348.01 and 132,631.88 is: 198,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,356.16 : 367,348.01 = 132,631.88 : x
  2. Step 2: Convert to fraction form
    245,356.16/367,348.01 = 132,631.88/x
  3. Step 3: Cross multiply
    245,356.16x = 367,348.01 × 132,631.88
  4. Step 4: Simplify right side
    245,356.16x = 48,722,054,680.66
  5. Step 5: Solve for x
    x = 48,722,054,680.66/245,356.16
  6. Step 6: Final answer
    x = 198,576.86

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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.