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Finding the Fourth Proportional to 72,067.16, 108,151.78 and 25,323.68

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Solution

The fourth proportional to 72,067.16, 108,151.78 and 25,323.68 is: 38,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,067.16 : 108,151.78 = 25,323.68 : x
  2. Step 2: Convert to fraction form
    72,067.16/108,151.78 = 25,323.68/x
  3. Step 3: Cross multiply
    72,067.16x = 108,151.78 × 25,323.68
  4. Step 4: Simplify right side
    72,067.16x = 2,738,801,068.15
  5. Step 5: Solve for x
    x = 2,738,801,068.15/72,067.16
  6. Step 6: Final answer
    x = 38,003.45

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1.5x scale

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.