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Finding the Fourth Proportional to 86,204.70, 119,037.24 and 63,582.90

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Solution

The fourth proportional to 86,204.70, 119,037.24 and 63,582.90 is: 87,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,204.70 : 119,037.24 = 63,582.90 : x
  2. Step 2: Convert to fraction form
    86,204.70/119,037.24 = 63,582.90/x
  3. Step 3: Cross multiply
    86,204.70x = 119,037.24 × 63,582.90
  4. Step 4: Simplify right side
    86,204.70x = 7,568,732,927.20
  5. Step 5: Solve for x
    x = 7,568,732,927.20/86,204.70
  6. Step 6: Final answer
    x = 87,799.54

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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.