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Finding the Fourth Proportional to 272,254.82, 375,720.78 and 149,752.38

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Solution

The fourth proportional to 272,254.82, 375,720.78 and 149,752.38 is: 206,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,254.82 : 375,720.78 = 149,752.38 : x
  2. Step 2: Convert to fraction form
    272,254.82/375,720.78 = 149,752.38/x
  3. Step 3: Cross multiply
    272,254.82x = 375,720.78 × 149,752.38
  4. Step 4: Simplify right side
    272,254.82x = 56,265,081,020.46
  5. Step 5: Solve for x
    x = 56,265,081,020.46/272,254.82
  6. Step 6: Final answer
    x = 206,663.31

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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.