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Finding the Fourth Proportional to 207,291.69, 310,936.41 and 179,126.10

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Solution

The fourth proportional to 207,291.69, 310,936.41 and 179,126.10 is: 268,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,291.69 : 310,936.41 = 179,126.10 : x
  2. Step 2: Convert to fraction form
    207,291.69/310,936.41 = 179,126.10/x
  3. Step 3: Cross multiply
    207,291.69x = 310,936.41 × 179,126.10
  4. Step 4: Simplify right side
    207,291.69x = 55,696,826,471.30
  5. Step 5: Solve for x
    x = 55,696,826,471.30/207,291.69
  6. Step 6: Final answer
    x = 268,688.18

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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.