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Finding the Fourth Proportional to 68,013.64, 101,864.88 and 32,499.92

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Solution

The fourth proportional to 68,013.64, 101,864.88 and 32,499.92 is: 48,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,013.64 : 101,864.88 = 32,499.92 : x
  2. Step 2: Convert to fraction form
    68,013.64/101,864.88 = 32,499.92/x
  3. Step 3: Cross multiply
    68,013.64x = 101,864.88 × 32,499.92
  4. Step 4: Simplify right side
    68,013.64x = 3,310,600,450.81
  5. Step 5: Solve for x
    x = 3,310,600,450.81/68,013.64
  6. Step 6: Final answer
    x = 48,675.54

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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.