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Finding the Fourth Proportional to 272,179.34, 375,608.96 and 149,679.62

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Solution

The fourth proportional to 272,179.34, 375,608.96 and 149,679.62 is: 206,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,179.34 : 375,608.96 = 149,679.62 : x
  2. Step 2: Convert to fraction form
    272,179.34/375,608.96 = 149,679.62/x
  3. Step 3: Cross multiply
    272,179.34x = 375,608.96 × 149,679.62
  4. Step 4: Simplify right side
    272,179.34x = 56,221,004,897.55
  5. Step 5: Solve for x
    x = 56,221,004,897.55/272,179.34
  6. Step 6: Final answer
    x = 206,558.68

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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.