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Finding the Fourth Proportional to 272,188.67, 375,626.47 and 149,673.29

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Solution

The fourth proportional to 272,188.67, 375,626.47 and 149,673.29 is: 206,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,188.67 : 375,626.47 = 149,673.29 : x
  2. Step 2: Convert to fraction form
    272,188.67/375,626.47 = 149,673.29/x
  3. Step 3: Cross multiply
    272,188.67x = 375,626.47 × 149,673.29
  4. Step 4: Simplify right side
    272,188.67x = 56,221,246,949.49
  5. Step 5: Solve for x
    x = 56,221,246,949.49/272,188.67
  6. Step 6: Final answer
    x = 206,552.49

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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.