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Finding the Fourth Proportional to 92,392.92, 138,589.38 and 22,272.30

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Solution

The fourth proportional to 92,392.92, 138,589.38 and 22,272.30 is: 33,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,392.92 : 138,589.38 = 22,272.30 : x
  2. Step 2: Convert to fraction form
    92,392.92/138,589.38 = 22,272.30/x
  3. Step 3: Cross multiply
    92,392.92x = 138,589.38 × 22,272.30
  4. Step 4: Simplify right side
    92,392.92x = 3,086,704,248.17
  5. Step 5: Solve for x
    x = 3,086,704,248.17/92,392.92
  6. Step 6: Final answer
    x = 33,408.45

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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.