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Finding the Fourth Proportional to 95,563.82, 142,734.65 and 86,544.52

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Solution

The fourth proportional to 95,563.82, 142,734.65 and 86,544.52 is: 129,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,563.82 : 142,734.65 = 86,544.52 : x
  2. Step 2: Convert to fraction form
    95,563.82/142,734.65 = 86,544.52/x
  3. Step 3: Cross multiply
    95,563.82x = 142,734.65 × 86,544.52
  4. Step 4: Simplify right side
    95,563.82x = 12,352,900,982.06
  5. Step 5: Solve for x
    x = 12,352,900,982.06/95,563.82
  6. Step 6: Final answer
    x = 129,263.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.