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Finding the Fourth Proportional to 234,114.66, 351,250.81 and 74,216.70

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Solution

The fourth proportional to 234,114.66, 351,250.81 and 74,216.70 is: 111,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,114.66 : 351,250.81 = 74,216.70 : x
  2. Step 2: Convert to fraction form
    234,114.66/351,250.81 = 74,216.70/x
  3. Step 3: Cross multiply
    234,114.66x = 351,250.81 × 74,216.70
  4. Step 4: Simplify right side
    234,114.66x = 26,068,675,804.99
  5. Step 5: Solve for x
    x = 26,068,675,804.99/234,114.66
  6. Step 6: Final answer
    x = 111,350.04

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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.