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Finding the Fourth Proportional to 79,207.46, 118,837.69 and 25,901.90

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Solution

The fourth proportional to 79,207.46, 118,837.69 and 25,901.90 is: 38,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,207.46 : 118,837.69 = 25,901.90 : x
  2. Step 2: Convert to fraction form
    79,207.46/118,837.69 = 25,901.90/x
  3. Step 3: Cross multiply
    79,207.46x = 118,837.69 × 25,901.90
  4. Step 4: Simplify right side
    79,207.46x = 3,078,121,433.18
  5. Step 5: Solve for x
    x = 3,078,121,433.18/79,207.46
  6. Step 6: Final answer
    x = 38,861.51

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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.