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Finding the Fourth Proportional to 234,599.20, 351,899.34 and 57,105.88

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Solution

The fourth proportional to 234,599.20, 351,899.34 and 57,105.88 is: 85,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,599.20 : 351,899.34 = 57,105.88 : x
  2. Step 2: Convert to fraction form
    234,599.20/351,899.34 = 57,105.88/x
  3. Step 3: Cross multiply
    234,599.20x = 351,899.34 × 57,105.88
  4. Step 4: Simplify right side
    234,599.20x = 20,095,521,482.12
  5. Step 5: Solve for x
    x = 20,095,521,482.12/234,599.20
  6. Step 6: Final answer
    x = 85,658.95

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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.