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Finding the Fourth Proportional to 118,234.68, 176,935.92 and 73,882.32

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Solution

The fourth proportional to 118,234.68, 176,935.92 and 73,882.32 is: 110,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,234.68 : 176,935.92 = 73,882.32 : x
  2. Step 2: Convert to fraction form
    118,234.68/176,935.92 = 73,882.32/x
  3. Step 3: Cross multiply
    118,234.68x = 176,935.92 × 73,882.32
  4. Step 4: Simplify right side
    118,234.68x = 13,072,436,260.93
  5. Step 5: Solve for x
    x = 13,072,436,260.93/118,234.68
  6. Step 6: Final answer
    x = 110,563.47

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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.