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Finding the Fourth Proportional to 83,167.88, 114,771.67 and 45,442.13

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Solution

The fourth proportional to 83,167.88, 114,771.67 and 45,442.13 is: 62,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,167.88 : 114,771.67 = 45,442.13 : x
  2. Step 2: Convert to fraction form
    83,167.88/114,771.67 = 45,442.13/x
  3. Step 3: Cross multiply
    83,167.88x = 114,771.67 × 45,442.13
  4. Step 4: Simplify right side
    83,167.88x = 5,215,468,460.99
  5. Step 5: Solve for x
    x = 5,215,468,460.99/83,167.88
  6. Step 6: Final answer
    x = 62,710.13

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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.