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Finding the Fourth Proportional to 234,202.93, 351,314.12 and 67,990.93

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Solution

The fourth proportional to 234,202.93, 351,314.12 and 67,990.93 is: 101,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,202.93 : 351,314.12 = 67,990.93 : x
  2. Step 2: Convert to fraction form
    234,202.93/351,314.12 = 67,990.93/x
  3. Step 3: Cross multiply
    234,202.93x = 351,314.12 × 67,990.93
  4. Step 4: Simplify right side
    234,202.93x = 23,886,173,400.98
  5. Step 5: Solve for x
    x = 23,886,173,400.98/234,202.93
  6. Step 6: Final answer
    x = 101,989.22

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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.