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Finding the Fourth Proportional to 272,514.93, 375,680.87 and 191,691.61

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Solution

The fourth proportional to 272,514.93, 375,680.87 and 191,691.61 is: 264,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,514.93 : 375,680.87 = 191,691.61 : x
  2. Step 2: Convert to fraction form
    272,514.93/375,680.87 = 191,691.61/x
  3. Step 3: Cross multiply
    272,514.93x = 375,680.87 × 191,691.61
  4. Step 4: Simplify right side
    272,514.93x = 72,014,871,346.54
  5. Step 5: Solve for x
    x = 72,014,871,346.54/272,514.93
  6. Step 6: Final answer
    x = 264,260.28

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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.