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Finding the Fourth Proportional to 234,466.86, 351,730.06 and 74,485.74

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Solution

The fourth proportional to 234,466.86, 351,730.06 and 74,485.74 is: 111,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,466.86 : 351,730.06 = 74,485.74 : x
  2. Step 2: Convert to fraction form
    234,466.86/351,730.06 = 74,485.74/x
  3. Step 3: Cross multiply
    234,466.86x = 351,730.06 × 74,485.74
  4. Step 4: Simplify right side
    234,466.86x = 26,198,873,372.62
  5. Step 5: Solve for x
    x = 26,198,873,372.62/234,466.86
  6. Step 6: Final answer
    x = 111,738.06

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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.