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Finding the Fourth Proportional to 72,103.16, 108,154.98 and 22,182.92

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Solution

The fourth proportional to 72,103.16, 108,154.98 and 22,182.92 is: 33,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,103.16 : 108,154.98 = 22,182.92 : x
  2. Step 2: Convert to fraction form
    72,103.16/108,154.98 = 22,182.92/x
  3. Step 3: Cross multiply
    72,103.16x = 108,154.98 × 22,182.92
  4. Step 4: Simplify right side
    72,103.16x = 2,399,193,268.94
  5. Step 5: Solve for x
    x = 2,399,193,268.94/72,103.16
  6. Step 6: Final answer
    x = 33,274.45

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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.