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Finding the Fourth Proportional to 105,872.40, 158,793.21 and 34,797.74

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Solution

The fourth proportional to 105,872.40, 158,793.21 and 34,797.74 is: 52,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,872.40 : 158,793.21 = 34,797.74 : x
  2. Step 2: Convert to fraction form
    105,872.40/158,793.21 = 34,797.74/x
  3. Step 3: Cross multiply
    105,872.40x = 158,793.21 × 34,797.74
  4. Step 4: Simplify right side
    105,872.40x = 5,525,644,041.38
  5. Step 5: Solve for x
    x = 5,525,644,041.38/105,872.40
  6. Step 6: Final answer
    x = 52,191.54

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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.