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Finding the Fourth Proportional to 234,700.87, 352,014.09 and 74,756.05

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Solution

The fourth proportional to 234,700.87, 352,014.09 and 74,756.05 is: 112,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,700.87 : 352,014.09 = 74,756.05 : x
  2. Step 2: Convert to fraction form
    234,700.87/352,014.09 = 74,756.05/x
  3. Step 3: Cross multiply
    234,700.87x = 352,014.09 × 74,756.05
  4. Step 4: Simplify right side
    234,700.87x = 26,315,182,912.74
  5. Step 5: Solve for x
    x = 26,315,182,912.74/234,700.87
  6. Step 6: Final answer
    x = 112,122.22

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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.