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Finding the Fourth Proportional to 170,025.70, 254,819.85 and 103,395.10

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Solution

The fourth proportional to 170,025.70, 254,819.85 and 103,395.10 is: 154,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,025.70 : 254,819.85 = 103,395.10 : x
  2. Step 2: Convert to fraction form
    170,025.70/254,819.85 = 103,395.10/x
  3. Step 3: Cross multiply
    170,025.70x = 254,819.85 × 103,395.10
  4. Step 4: Simplify right side
    170,025.70x = 26,347,123,872.74
  5. Step 5: Solve for x
    x = 26,347,123,872.74/170,025.70
  6. Step 6: Final answer
    x = 154,959.66

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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.