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Finding the Fourth Proportional to 173,512.10, 260,025.15 and 138,034.10

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Solution

The fourth proportional to 173,512.10, 260,025.15 and 138,034.10 is: 206,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,512.10 : 260,025.15 = 138,034.10 : x
  2. Step 2: Convert to fraction form
    173,512.10/260,025.15 = 138,034.10/x
  3. Step 3: Cross multiply
    173,512.10x = 260,025.15 × 138,034.10
  4. Step 4: Simplify right side
    173,512.10x = 35,892,337,557.62
  5. Step 5: Solve for x
    x = 35,892,337,557.62/173,512.10
  6. Step 6: Final answer
    x = 206,857.84

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1.5x scale

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.