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Finding the Fourth Proportional to 170,242.18, 255,360.39 and 43,882.18

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Solution

The fourth proportional to 170,242.18, 255,360.39 and 43,882.18 is: 65,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,242.18 : 255,360.39 = 43,882.18 : x
  2. Step 2: Convert to fraction form
    170,242.18/255,360.39 = 43,882.18/x
  3. Step 3: Cross multiply
    170,242.18x = 255,360.39 × 43,882.18
  4. Step 4: Simplify right side
    170,242.18x = 11,205,770,598.85
  5. Step 5: Solve for x
    x = 11,205,770,598.85/170,242.18
  6. Step 6: Final answer
    x = 65,822.53

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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.