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Finding the Fourth Proportional to 234,810.74, 352,214.89 and 57,318.68

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Solution

The fourth proportional to 234,810.74, 352,214.89 and 57,318.68 is: 85,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,810.74 : 352,214.89 = 57,318.68 : x
  2. Step 2: Convert to fraction form
    234,810.74/352,214.89 = 57,318.68/x
  3. Step 3: Cross multiply
    234,810.74x = 352,214.89 × 57,318.68
  4. Step 4: Simplify right side
    234,810.74x = 20,188,492,571.15
  5. Step 5: Solve for x
    x = 20,188,492,571.15/234,810.74
  6. Step 6: Final answer
    x = 85,977.72

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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.