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Finding the Fourth Proportional to 250,097.87, 345,178.68 and 148,180.71

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Solution

The fourth proportional to 250,097.87, 345,178.68 and 148,180.71 is: 204,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,097.87 : 345,178.68 = 148,180.71 : x
  2. Step 2: Convert to fraction form
    250,097.87/345,178.68 = 148,180.71/x
  3. Step 3: Cross multiply
    250,097.87x = 345,178.68 × 148,180.71
  4. Step 4: Simplify right side
    250,097.87x = 51,148,821,879.26
  5. Step 5: Solve for x
    x = 51,148,821,879.26/250,097.87
  6. Step 6: Final answer
    x = 204,515.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.