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Finding the Fourth Proportional to 72,043.92, 108,066.24 and 22,123.44

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Solution

The fourth proportional to 72,043.92, 108,066.24 and 22,123.44 is: 33,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,043.92 : 108,066.24 = 22,123.44 : x
  2. Step 2: Convert to fraction form
    72,043.92/108,066.24 = 22,123.44/x
  3. Step 3: Cross multiply
    72,043.92x = 108,066.24 × 22,123.44
  4. Step 4: Simplify right side
    72,043.92x = 2,390,796,976.67
  5. Step 5: Solve for x
    x = 2,390,796,976.67/72,043.92
  6. Step 6: Final answer
    x = 33,185.27

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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.