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Finding the Fourth Proportional to 117,006.74, 175,231.11 and 74,753.90

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Solution

The fourth proportional to 117,006.74, 175,231.11 and 74,753.90 is: 111,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,006.74 : 175,231.11 = 74,753.90 : x
  2. Step 2: Convert to fraction form
    117,006.74/175,231.11 = 74,753.90/x
  3. Step 3: Cross multiply
    117,006.74x = 175,231.11 × 74,753.90
  4. Step 4: Simplify right side
    117,006.74x = 13,099,208,873.83
  5. Step 5: Solve for x
    x = 13,099,208,873.83/117,006.74
  6. Step 6: Final answer
    x = 111,952.60

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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.