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Finding the Fourth Proportional to 72,098.54, 108,158.10 and 22,182.80

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Solution

The fourth proportional to 72,098.54, 108,158.10 and 22,182.80 is: 33,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,098.54 : 108,158.10 = 22,182.80 : x
  2. Step 2: Convert to fraction form
    72,098.54/108,158.10 = 22,182.80/x
  3. Step 3: Cross multiply
    72,098.54x = 108,158.10 × 22,182.80
  4. Step 4: Simplify right side
    72,098.54x = 2,399,249,500.68
  5. Step 5: Solve for x
    x = 2,399,249,500.68/72,098.54
  6. Step 6: Final answer
    x = 33,277.37

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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.