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Finding the Fourth Proportional to 84,341.82, 116,391.83 and 48,531.12

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Solution

The fourth proportional to 84,341.82, 116,391.83 and 48,531.12 is: 66,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,341.82 : 116,391.83 = 48,531.12 : x
  2. Step 2: Convert to fraction form
    84,341.82/116,391.83 = 48,531.12/x
  3. Step 3: Cross multiply
    84,341.82x = 116,391.83 × 48,531.12
  4. Step 4: Simplify right side
    84,341.82x = 5,648,625,626.09
  5. Step 5: Solve for x
    x = 5,648,625,626.09/84,341.82
  6. Step 6: Final answer
    x = 66,973.01

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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.