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Finding the Fourth Proportional to 83,342.99, 125,020.87 and 35,959.21

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Solution

The fourth proportional to 83,342.99, 125,020.87 and 35,959.21 is: 53,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,342.99 : 125,020.87 = 35,959.21 : x
  2. Step 2: Convert to fraction form
    83,342.99/125,020.87 = 35,959.21/x
  3. Step 3: Cross multiply
    83,342.99x = 125,020.87 × 35,959.21
  4. Step 4: Simplify right side
    83,342.99x = 4,495,651,316.26
  5. Step 5: Solve for x
    x = 4,495,651,316.26/83,342.99
  6. Step 6: Final answer
    x = 53,941.56

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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.