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Finding the Fourth Proportional to 147,791.52, 203,879.23 and 87,332.92

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Solution

The fourth proportional to 147,791.52, 203,879.23 and 87,332.92 is: 120,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,791.52 : 203,879.23 = 87,332.92 : x
  2. Step 2: Convert to fraction form
    147,791.52/203,879.23 = 87,332.92/x
  3. Step 3: Cross multiply
    147,791.52x = 203,879.23 × 87,332.92
  4. Step 4: Simplify right side
    147,791.52x = 17,805,367,755.22
  5. Step 5: Solve for x
    x = 17,805,367,755.22/147,791.52
  6. Step 6: Final answer
    x = 120,476.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.