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Finding the Fourth Proportional to 245,357.16, 367,349.50 and 132,632.88

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Solution

The fourth proportional to 245,357.16, 367,349.50 and 132,632.88 is: 198,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,357.16 : 367,349.50 = 132,632.88 : x
  2. Step 2: Convert to fraction form
    245,357.16/367,349.50 = 132,632.88/x
  3. Step 3: Cross multiply
    245,357.16x = 367,349.50 × 132,632.88
  4. Step 4: Simplify right side
    245,357.16x = 48,722,622,151.56
  5. Step 5: Solve for x
    x = 48,722,622,151.56/245,357.16
  6. Step 6: Final answer
    x = 198,578.36

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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.