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Finding the Fourth Proportional to 67,307.96, 100,850.34 and 40,932.92

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Solution

The fourth proportional to 67,307.96, 100,850.34 and 40,932.92 is: 61,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,307.96 : 100,850.34 = 40,932.92 : x
  2. Step 2: Convert to fraction form
    67,307.96/100,850.34 = 40,932.92/x
  3. Step 3: Cross multiply
    67,307.96x = 100,850.34 × 40,932.92
  4. Step 4: Simplify right side
    67,307.96x = 4,128,098,899.19
  5. Step 5: Solve for x
    x = 4,128,098,899.19/67,307.96
  6. Step 6: Final answer
    x = 61,331.51

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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.