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Finding the Fourth Proportional to 95,969.85, 132,314.72 and 65,703.03

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Solution

The fourth proportional to 95,969.85, 132,314.72 and 65,703.03 is: 90,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,969.85 : 132,314.72 = 65,703.03 : x
  2. Step 2: Convert to fraction form
    95,969.85/132,314.72 = 65,703.03/x
  3. Step 3: Cross multiply
    95,969.85x = 132,314.72 × 65,703.03
  4. Step 4: Simplify right side
    95,969.85x = 8,693,477,689.09
  5. Step 5: Solve for x
    x = 8,693,477,689.09/95,969.85
  6. Step 6: Final answer
    x = 90,585.51

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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.