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Finding the Fourth Proportional to 95,537.20, 143,305.80 and 83,873.20

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Solution

The fourth proportional to 95,537.20, 143,305.80 and 83,873.20 is: 125,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,537.20 : 143,305.80 = 83,873.20 : x
  2. Step 2: Convert to fraction form
    95,537.20/143,305.80 = 83,873.20/x
  3. Step 3: Cross multiply
    95,537.20x = 143,305.80 × 83,873.20
  4. Step 4: Simplify right side
    95,537.20x = 12,019,516,024.56
  5. Step 5: Solve for x
    x = 12,019,516,024.56/95,537.20
  6. Step 6: Final answer
    x = 125,809.80

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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.