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Finding the Fourth Proportional to 170,340.60, 255,165.30 and 96,382.20

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Solution

The fourth proportional to 170,340.60, 255,165.30 and 96,382.20 is: 144,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,340.60 : 255,165.30 = 96,382.20 : x
  2. Step 2: Convert to fraction form
    170,340.60/255,165.30 = 96,382.20/x
  3. Step 3: Cross multiply
    170,340.60x = 255,165.30 × 96,382.20
  4. Step 4: Simplify right side
    170,340.60x = 24,593,392,977.66
  5. Step 5: Solve for x
    x = 24,593,392,977.66/170,340.60
  6. Step 6: Final answer
    x = 144,377.75

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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.