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Finding the Fourth Proportional to 73,240.80, 109,854.80 and 23,992.80

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Solution

The fourth proportional to 73,240.80, 109,854.80 and 23,992.80 is: 35,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,240.80 : 109,854.80 = 23,992.80 : x
  2. Step 2: Convert to fraction form
    73,240.80/109,854.80 = 23,992.80/x
  3. Step 3: Cross multiply
    73,240.80x = 109,854.80 × 23,992.80
  4. Step 4: Simplify right side
    73,240.80x = 2,635,724,245.44
  5. Step 5: Solve for x
    x = 2,635,724,245.44/73,240.80
  6. Step 6: Final answer
    x = 35,987.10

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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.