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Finding the Fourth Proportional to 104,095.87, 143,735.12 and 96,135.19

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Solution

The fourth proportional to 104,095.87, 143,735.12 and 96,135.19 is: 132,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,095.87 : 143,735.12 = 96,135.19 : x
  2. Step 2: Convert to fraction form
    104,095.87/143,735.12 = 96,135.19/x
  3. Step 3: Cross multiply
    104,095.87x = 143,735.12 × 96,135.19
  4. Step 4: Simplify right side
    104,095.87x = 13,818,002,590.20
  5. Step 5: Solve for x
    x = 13,818,002,590.20/104,095.87
  6. Step 6: Final answer
    x = 132,743.04

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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.