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Finding the Fourth Proportional to 72,446.10, 108,692.82 and 35,010.48

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Solution

The fourth proportional to 72,446.10, 108,692.82 and 35,010.48 is: 52,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,446.10 : 108,692.82 = 35,010.48 : x
  2. Step 2: Convert to fraction form
    72,446.10/108,692.82 = 35,010.48/x
  3. Step 3: Cross multiply
    72,446.10x = 108,692.82 × 35,010.48
  4. Step 4: Simplify right side
    72,446.10x = 3,805,387,800.75
  5. Step 5: Solve for x
    x = 3,805,387,800.75/72,446.10
  6. Step 6: Final answer
    x = 52,527.16

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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.