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Finding the Fourth Proportional to 70,791.12, 106,201.88 and 23,403.68

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Solution

The fourth proportional to 70,791.12, 106,201.88 and 23,403.68 is: 35,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,791.12 : 106,201.88 = 23,403.68 : x
  2. Step 2: Convert to fraction form
    70,791.12/106,201.88 = 23,403.68/x
  3. Step 3: Cross multiply
    70,791.12x = 106,201.88 × 23,403.68
  4. Step 4: Simplify right side
    70,791.12x = 2,485,514,814.92
  5. Step 5: Solve for x
    x = 2,485,514,814.92/70,791.12
  6. Step 6: Final answer
    x = 35,110.55

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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.