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Finding the Fourth Proportional to 234,604.76, 351,853.11 and 139,861.62

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Solution

The fourth proportional to 234,604.76, 351,853.11 and 139,861.62 is: 209,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,604.76 : 351,853.11 = 139,861.62 : x
  2. Step 2: Convert to fraction form
    234,604.76/351,853.11 = 139,861.62/x
  3. Step 3: Cross multiply
    234,604.76x = 351,853.11 × 139,861.62
  4. Step 4: Simplify right side
    234,604.76x = 49,210,745,966.64
  5. Step 5: Solve for x
    x = 49,210,745,966.64/234,604.76
  6. Step 6: Final answer
    x = 209,760.22

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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.