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Finding the Fourth Proportional to 117,800.83, 176,713.55 and 67,937.23

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Solution

The fourth proportional to 117,800.83, 176,713.55 and 67,937.23 is: 101,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,800.83 : 176,713.55 = 67,937.23 : x
  2. Step 2: Convert to fraction form
    117,800.83/176,713.55 = 67,937.23/x
  3. Step 3: Cross multiply
    117,800.83x = 176,713.55 × 67,937.23
  4. Step 4: Simplify right side
    117,800.83x = 12,005,429,226.44
  5. Step 5: Solve for x
    x = 12,005,429,226.44/117,800.83
  6. Step 6: Final answer
    x = 101,912.94

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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.