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Finding the Fourth Proportional to 68,112.96, 93,996.35 and 37,899.56

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Solution

The fourth proportional to 68,112.96, 93,996.35 and 37,899.56 is: 52,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,112.96 : 93,996.35 = 37,899.56 : x
  2. Step 2: Convert to fraction form
    68,112.96/93,996.35 = 37,899.56/x
  3. Step 3: Cross multiply
    68,112.96x = 93,996.35 × 37,899.56
  4. Step 4: Simplify right side
    68,112.96x = 3,562,420,306.61
  5. Step 5: Solve for x
    x = 3,562,420,306.61/68,112.96
  6. Step 6: Final answer
    x = 52,301.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.