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Finding the Fourth Proportional to 101,378.43, 152,029.85 and 34,799.67

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Solution

The fourth proportional to 101,378.43, 152,029.85 and 34,799.67 is: 52,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,378.43 : 152,029.85 = 34,799.67 : x
  2. Step 2: Convert to fraction form
    101,378.43/152,029.85 = 34,799.67/x
  3. Step 3: Cross multiply
    101,378.43x = 152,029.85 × 34,799.67
  4. Step 4: Simplify right side
    101,378.43x = 5,290,588,436.15
  5. Step 5: Solve for x
    x = 5,290,588,436.15/101,378.43
  6. Step 6: Final answer
    x = 52,186.53

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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.