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Finding the Fourth Proportional to 83,159.26, 114,754.41 and 45,433.48

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Solution

The fourth proportional to 83,159.26, 114,754.41 and 45,433.48 is: 62,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,159.26 : 114,754.41 = 45,433.48 : x
  2. Step 2: Convert to fraction form
    83,159.26/114,754.41 = 45,433.48/x
  3. Step 3: Cross multiply
    83,159.26x = 114,754.41 × 45,433.48
  4. Step 4: Simplify right side
    83,159.26x = 5,213,692,191.65
  5. Step 5: Solve for x
    x = 5,213,692,191.65/83,159.26
  6. Step 6: Final answer
    x = 62,695.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.