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Finding the Fourth Proportional to 83,371.82, 124,968.03 and 36,009.19

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Solution

The fourth proportional to 83,371.82, 124,968.03 and 36,009.19 is: 53,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,371.82 : 124,968.03 = 36,009.19 : x
  2. Step 2: Convert to fraction form
    83,371.82/124,968.03 = 36,009.19/x
  3. Step 3: Cross multiply
    83,371.82x = 124,968.03 × 36,009.19
  4. Step 4: Simplify right side
    83,371.82x = 4,499,997,536.20
  5. Step 5: Solve for x
    x = 4,499,997,536.20/83,371.82
  6. Step 6: Final answer
    x = 53,975.04

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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.