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Finding the Fourth Proportional to 118,508.87, 177,736.98 and 34,250.65

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Solution

The fourth proportional to 118,508.87, 177,736.98 and 34,250.65 is: 51,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,508.87 : 177,736.98 = 34,250.65 : x
  2. Step 2: Convert to fraction form
    118,508.87/177,736.98 = 34,250.65/x
  3. Step 3: Cross multiply
    118,508.87x = 177,736.98 × 34,250.65
  4. Step 4: Simplify right side
    118,508.87x = 6,087,606,778.13
  5. Step 5: Solve for x
    x = 6,087,606,778.13/118,508.87
  6. Step 6: Final answer
    x = 51,368.36

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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.