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Finding the Fourth Proportional to 170,052.40, 254,911.20 and 95,208.40

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Solution

The fourth proportional to 170,052.40, 254,911.20 and 95,208.40 is: 142,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,052.40 : 254,911.20 = 95,208.40 : x
  2. Step 2: Convert to fraction form
    170,052.40/254,911.20 = 95,208.40/x
  3. Step 3: Cross multiply
    170,052.40x = 254,911.20 × 95,208.40
  4. Step 4: Simplify right side
    170,052.40x = 24,269,687,494.08
  5. Step 5: Solve for x
    x = 24,269,687,494.08/170,052.40
  6. Step 6: Final answer
    x = 142,718.88

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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.