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Finding the Fourth Proportional to 367,342.80, 550,981.80 and 101,079.60

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Solution

The fourth proportional to 367,342.80, 550,981.80 and 101,079.60 is: 151,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,342.80 : 550,981.80 = 101,079.60 : x
  2. Step 2: Convert to fraction form
    367,342.80/550,981.80 = 101,079.60/x
  3. Step 3: Cross multiply
    367,342.80x = 550,981.80 × 101,079.60
  4. Step 4: Simplify right side
    367,342.80x = 55,693,019,951.28
  5. Step 5: Solve for x
    x = 55,693,019,951.28/367,342.80
  6. Step 6: Final answer
    x = 151,610.48

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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.