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Finding the Fourth Proportional to 123,793.18, 185,778.87 and 95,783.38

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Solution

The fourth proportional to 123,793.18, 185,778.87 and 95,783.38 is: 143,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,793.18 : 185,778.87 = 95,783.38 : x
  2. Step 2: Convert to fraction form
    123,793.18/185,778.87 = 95,783.38/x
  3. Step 3: Cross multiply
    123,793.18x = 185,778.87 × 95,783.38
  4. Step 4: Simplify right side
    123,793.18x = 17,794,528,101.18
  5. Step 5: Solve for x
    x = 17,794,528,101.18/123,793.18
  6. Step 6: Final answer
    x = 143,744.01

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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.