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Finding the Fourth Proportional to 207,097.75, 310,250.85 and 173,578.33

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Solution

The fourth proportional to 207,097.75, 310,250.85 and 173,578.33 is: 260,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,097.75 : 310,250.85 = 173,578.33 : x
  2. Step 2: Convert to fraction form
    207,097.75/310,250.85 = 173,578.33/x
  3. Step 3: Cross multiply
    207,097.75x = 310,250.85 × 173,578.33
  4. Step 4: Simplify right side
    207,097.75x = 53,852,824,424.08
  5. Step 5: Solve for x
    x = 53,852,824,424.08/207,097.75
  6. Step 6: Final answer
    x = 260,035.78

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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.