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Finding the Fourth Proportional to 207,250.80, 309,363.06 and 177,857.52

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Solution

The fourth proportional to 207,250.80, 309,363.06 and 177,857.52 is: 265,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,250.80 : 309,363.06 = 177,857.52 : x
  2. Step 2: Convert to fraction form
    207,250.80/309,363.06 = 177,857.52/x
  3. Step 3: Cross multiply
    207,250.80x = 309,363.06 × 177,857.52
  4. Step 4: Simplify right side
    207,250.80x = 55,022,546,631.21
  5. Step 5: Solve for x
    x = 55,022,546,631.21/207,250.80
  6. Step 6: Final answer
    x = 265,487.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.