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Finding the Fourth Proportional to 101,811.68, 152,680.08 and 35,234.72

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Solution

The fourth proportional to 101,811.68, 152,680.08 and 35,234.72 is: 52,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,811.68 : 152,680.08 = 35,234.72 : x
  2. Step 2: Convert to fraction form
    101,811.68/152,680.08 = 35,234.72/x
  3. Step 3: Cross multiply
    101,811.68x = 152,680.08 × 35,234.72
  4. Step 4: Simplify right side
    101,811.68x = 5,379,639,868.38
  5. Step 5: Solve for x
    x = 5,379,639,868.38/101,811.68
  6. Step 6: Final answer
    x = 52,839.12

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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.