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Finding the Fourth Proportional to 98,047.67, 147,120.11 and 38,882.03

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Solution

The fourth proportional to 98,047.67, 147,120.11 and 38,882.03 is: 58,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,047.67 : 147,120.11 = 38,882.03 : x
  2. Step 2: Convert to fraction form
    98,047.67/147,120.11 = 38,882.03/x
  3. Step 3: Cross multiply
    98,047.67x = 147,120.11 × 38,882.03
  4. Step 4: Simplify right side
    98,047.67x = 5,720,328,530.62
  5. Step 5: Solve for x
    x = 5,720,328,530.62/98,047.67
  6. Step 6: Final answer
    x = 58,342.32

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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.