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Finding the Fourth Proportional to 72,236.83, 108,398.31 and 32,252.71

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Solution

The fourth proportional to 72,236.83, 108,398.31 and 32,252.71 is: 48,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,236.83 : 108,398.31 = 32,252.71 : x
  2. Step 2: Convert to fraction form
    72,236.83/108,398.31 = 32,252.71/x
  3. Step 3: Cross multiply
    72,236.83x = 108,398.31 × 32,252.71
  4. Step 4: Simplify right side
    72,236.83x = 3,496,139,256.92
  5. Step 5: Solve for x
    x = 3,496,139,256.92/72,236.83
  6. Step 6: Final answer
    x = 48,398.29

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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.