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Finding the Fourth Proportional to 67,570.92, 101,359.08 and 25,446.60

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Solution

The fourth proportional to 67,570.92, 101,359.08 and 25,446.60 is: 38,170.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,570.92 : 101,359.08 = 25,446.60 : x
  2. Step 2: Convert to fraction form
    67,570.92/101,359.08 = 25,446.60/x
  3. Step 3: Cross multiply
    67,570.92x = 101,359.08 × 25,446.60
  4. Step 4: Simplify right side
    67,570.92x = 2,579,243,965.13
  5. Step 5: Solve for x
    x = 2,579,243,965.13/67,570.92
  6. Step 6: Final answer
    x = 38,170.92

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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.