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Finding the Fourth Proportional to 95,217.40, 143,171.70 and 93,143.80

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Solution

The fourth proportional to 95,217.40, 143,171.70 and 93,143.80 is: 140,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,217.40 : 143,171.70 = 93,143.80 : x
  2. Step 2: Convert to fraction form
    95,217.40/143,171.70 = 93,143.80/x
  3. Step 3: Cross multiply
    95,217.40x = 143,171.70 × 93,143.80
  4. Step 4: Simplify right side
    95,217.40x = 13,335,556,190.46
  5. Step 5: Solve for x
    x = 13,335,556,190.46/95,217.40
  6. Step 6: Final answer
    x = 140,053.77

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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.