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Finding the Fourth Proportional to 111,371.86, 167,044.20 and 32,486.14

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Solution

The fourth proportional to 111,371.86, 167,044.20 and 32,486.14 is: 48,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,371.86 : 167,044.20 = 32,486.14 : x
  2. Step 2: Convert to fraction form
    111,371.86/167,044.20 = 32,486.14/x
  3. Step 3: Cross multiply
    111,371.86x = 167,044.20 × 32,486.14
  4. Step 4: Simplify right side
    111,371.86x = 5,426,621,267.39
  5. Step 5: Solve for x
    x = 5,426,621,267.39/111,371.86
  6. Step 6: Final answer
    x = 48,725.25

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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.