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Finding the Fourth Proportional to 84,261, 116,279.22 and 48,451.16

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Solution

The fourth proportional to 84,261, 116,279.22 and 48,451.16 is: 66,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,261 : 116,279.22 = 48,451.16 : x
  2. Step 2: Convert to fraction form
    84,261/116,279.22 = 48,451.16/x
  3. Step 3: Cross multiply
    84,261x = 116,279.22 × 48,451.16
  4. Step 4: Simplify right side
    84,261x = 5,633,863,092.90
  5. Step 5: Solve for x
    x = 5,633,863,092.90/84,261
  6. Step 6: Final answer
    x = 66,862.05

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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.