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Finding the Fourth Proportional to 95,763.70, 143,305.35 and 83,419.30

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Solution

The fourth proportional to 95,763.70, 143,305.35 and 83,419.30 is: 124,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,763.70 : 143,305.35 = 83,419.30 : x
  2. Step 2: Convert to fraction form
    95,763.70/143,305.35 = 83,419.30/x
  3. Step 3: Cross multiply
    95,763.70x = 143,305.35 × 83,419.30
  4. Step 4: Simplify right side
    95,763.70x = 11,954,431,983.26
  5. Step 5: Solve for x
    x = 11,954,431,983.26/95,763.70
  6. Step 6: Final answer
    x = 124,832.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.