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Finding the Fourth Proportional to 115,818.66, 173,754.99 and 44,751.78

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Solution

The fourth proportional to 115,818.66, 173,754.99 and 44,751.78 is: 67,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,818.66 : 173,754.99 = 44,751.78 : x
  2. Step 2: Convert to fraction form
    115,818.66/173,754.99 = 44,751.78/x
  3. Step 3: Cross multiply
    115,818.66x = 173,754.99 × 44,751.78
  4. Step 4: Simplify right side
    115,818.66x = 7,775,845,086.38
  5. Step 5: Solve for x
    x = 7,775,845,086.38/115,818.66
  6. Step 6: Final answer
    x = 67,138.10

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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.