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Finding the Fourth Proportional to 73,320.52, 109,979.42 and 23,400.22

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Solution

The fourth proportional to 73,320.52, 109,979.42 and 23,400.22 is: 35,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,320.52 : 109,979.42 = 23,400.22 : x
  2. Step 2: Convert to fraction form
    73,320.52/109,979.42 = 23,400.22/x
  3. Step 3: Cross multiply
    73,320.52x = 109,979.42 × 23,400.22
  4. Step 4: Simplify right side
    73,320.52x = 2,573,542,623.47
  5. Step 5: Solve for x
    x = 2,573,542,623.47/73,320.52
  6. Step 6: Final answer
    x = 35,099.90

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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.