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Finding the Fourth Proportional to 234,215.77, 351,271.11 and 107,734.55

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Solution

The fourth proportional to 234,215.77, 351,271.11 and 107,734.55 is: 161,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,215.77 : 351,271.11 = 107,734.55 : x
  2. Step 2: Convert to fraction form
    234,215.77/351,271.11 = 107,734.55/x
  3. Step 3: Cross multiply
    234,215.77x = 351,271.11 × 107,734.55
  4. Step 4: Simplify right side
    234,215.77x = 37,844,033,207.50
  5. Step 5: Solve for x
    x = 37,844,033,207.50/234,215.77
  6. Step 6: Final answer
    x = 161,577.65

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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.