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Finding the Fourth Proportional to 110,879.60, 153,022.92 and 63,147.92

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Solution

The fourth proportional to 110,879.60, 153,022.92 and 63,147.92 is: 87,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,879.60 : 153,022.92 = 63,147.92 : x
  2. Step 2: Convert to fraction form
    110,879.60/153,022.92 = 63,147.92/x
  3. Step 3: Cross multiply
    110,879.60x = 153,022.92 × 63,147.92
  4. Step 4: Simplify right side
    110,879.60x = 9,663,079,110.33
  5. Step 5: Solve for x
    x = 9,663,079,110.33/110,879.60
  6. Step 6: Final answer
    x = 87,149.30

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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.