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Finding the Fourth Proportional to 207,237.80, 309,343.70 and 177,844.52

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Solution

The fourth proportional to 207,237.80, 309,343.70 and 177,844.52 is: 265,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,237.80 : 309,343.70 = 177,844.52 : x
  2. Step 2: Convert to fraction form
    207,237.80/309,343.70 = 177,844.52/x
  3. Step 3: Cross multiply
    207,237.80x = 309,343.70 × 177,844.52
  4. Step 4: Simplify right side
    207,237.80x = 55,015,081,841.52
  5. Step 5: Solve for x
    x = 55,015,081,841.52/207,237.80
  6. Step 6: Final answer
    x = 265,468.37

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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.