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Finding the Fourth Proportional to 234,282.76, 351,423.18 and 56,789.56

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Solution

The fourth proportional to 234,282.76, 351,423.18 and 56,789.56 is: 85,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,282.76 : 351,423.18 = 56,789.56 : x
  2. Step 2: Convert to fraction form
    234,282.76/351,423.18 = 56,789.56/x
  3. Step 3: Cross multiply
    234,282.76x = 351,423.18 × 56,789.56
  4. Step 4: Simplify right side
    234,282.76x = 19,957,167,766.00
  5. Step 5: Solve for x
    x = 19,957,167,766.00/234,282.76
  6. Step 6: Final answer
    x = 85,184.11

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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.