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Finding the Fourth Proportional to 144,764.70, 217,114.65 and 95,192.70

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Solution

The fourth proportional to 144,764.70, 217,114.65 and 95,192.70 is: 142,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,764.70 : 217,114.65 = 95,192.70 : x
  2. Step 2: Convert to fraction form
    144,764.70/217,114.65 = 95,192.70/x
  3. Step 3: Cross multiply
    144,764.70x = 217,114.65 × 95,192.70
  4. Step 4: Simplify right side
    144,764.70x = 20,667,729,743.06
  5. Step 5: Solve for x
    x = 20,667,729,743.06/144,764.70
  6. Step 6: Final answer
    x = 142,767.74

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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.