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Finding the Fourth Proportional to 72,850.38, 109,279.95 and 22,932.10

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Solution

The fourth proportional to 72,850.38, 109,279.95 and 22,932.10 is: 34,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,850.38 : 109,279.95 = 22,932.10 : x
  2. Step 2: Convert to fraction form
    72,850.38/109,279.95 = 22,932.10/x
  3. Step 3: Cross multiply
    72,850.38x = 109,279.95 × 22,932.10
  4. Step 4: Simplify right side
    72,850.38x = 2,506,018,741.40
  5. Step 5: Solve for x
    x = 2,506,018,741.40/72,850.38
  6. Step 6: Final answer
    x = 34,399.53

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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.