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Finding the Fourth Proportional to 207,093.43, 310,443.30 and 132,002.77

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Solution

The fourth proportional to 207,093.43, 310,443.30 and 132,002.77 is: 197,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,093.43 : 310,443.30 = 132,002.77 : x
  2. Step 2: Convert to fraction form
    207,093.43/310,443.30 = 132,002.77/x
  3. Step 3: Cross multiply
    207,093.43x = 310,443.30 × 132,002.77
  4. Step 4: Simplify right side
    207,093.43x = 40,979,375,527.94
  5. Step 5: Solve for x
    x = 40,979,375,527.94/207,093.43
  6. Step 6: Final answer
    x = 197,878.68

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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.