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Finding the Fourth Proportional to 272,161.71, 375,629.67 and 175,338.36

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Solution

The fourth proportional to 272,161.71, 375,629.67 and 175,338.36 is: 241,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,161.71 : 375,629.67 = 175,338.36 : x
  2. Step 2: Convert to fraction form
    272,161.71/375,629.67 = 175,338.36/x
  3. Step 3: Cross multiply
    272,161.71x = 375,629.67 × 175,338.36
  4. Step 4: Simplify right side
    272,161.71x = 65,862,290,305.14
  5. Step 5: Solve for x
    x = 65,862,290,305.14/272,161.71
  6. Step 6: Final answer
    x = 241,996.90

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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.