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Finding the Fourth Proportional to 72,524.84, 100,067.22 and 42,292.04

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Solution

The fourth proportional to 72,524.84, 100,067.22 and 42,292.04 is: 58,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,524.84 : 100,067.22 = 42,292.04 : x
  2. Step 2: Convert to fraction form
    72,524.84/100,067.22 = 42,292.04/x
  3. Step 3: Cross multiply
    72,524.84x = 100,067.22 × 42,292.04
  4. Step 4: Simplify right side
    72,524.84x = 4,232,046,870.93
  5. Step 5: Solve for x
    x = 4,232,046,870.93/72,524.84
  6. Step 6: Final answer
    x = 58,353.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.