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Finding the Fourth Proportional to 272,671.71, 408,958.32 and 95,229.45

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Solution

The fourth proportional to 272,671.71, 408,958.32 and 95,229.45 is: 142,826.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,671.71 : 408,958.32 = 95,229.45 : x
  2. Step 2: Convert to fraction form
    272,671.71/408,958.32 = 95,229.45/x
  3. Step 3: Cross multiply
    272,671.71x = 408,958.32 × 95,229.45
  4. Step 4: Simplify right side
    272,671.71x = 38,944,875,886.52
  5. Step 5: Solve for x
    x = 38,944,875,886.52/272,671.71
  6. Step 6: Final answer
    x = 142,826.98

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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.