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Finding the Fourth Proportional to 272,444.33, 408,681.84 and 82,910.86

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Solution

The fourth proportional to 272,444.33, 408,681.84 and 82,910.86 is: 124,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,444.33 : 408,681.84 = 82,910.86 : x
  2. Step 2: Convert to fraction form
    272,444.33/408,681.84 = 82,910.86/x
  3. Step 3: Cross multiply
    272,444.33x = 408,681.84 × 82,910.86
  4. Step 4: Simplify right side
    272,444.33x = 33,884,162,820.78
  5. Step 5: Solve for x
    x = 33,884,162,820.78/272,444.33
  6. Step 6: Final answer
    x = 124,370.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.