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Finding the Fourth Proportional to 170,419.70, 255,629.55 and 95,770.10

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Solution

The fourth proportional to 170,419.70, 255,629.55 and 95,770.10 is: 143,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,419.70 : 255,629.55 = 95,770.10 : x
  2. Step 2: Convert to fraction form
    170,419.70/255,629.55 = 95,770.10/x
  3. Step 3: Cross multiply
    170,419.70x = 255,629.55 × 95,770.10
  4. Step 4: Simplify right side
    170,419.70x = 24,481,667,566.46
  5. Step 5: Solve for x
    x = 24,481,667,566.46/170,419.70
  6. Step 6: Final answer
    x = 143,655.15

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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.