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Finding the Fourth Proportional to 112,499.80, 168,555.30 and 95,003.80

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Solution

The fourth proportional to 112,499.80, 168,555.30 and 95,003.80 is: 142,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,499.80 : 168,555.30 = 95,003.80 : x
  2. Step 2: Convert to fraction form
    112,499.80/168,555.30 = 95,003.80/x
  3. Step 3: Cross multiply
    112,499.80x = 168,555.30 × 95,003.80
  4. Step 4: Simplify right side
    112,499.80x = 16,013,394,010.14
  5. Step 5: Solve for x
    x = 16,013,394,010.14/112,499.80
  6. Step 6: Final answer
    x = 142,341.53

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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.