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Finding the Fourth Proportional to 234,221.62, 351,333.26 and 56,728.74

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Solution

The fourth proportional to 234,221.62, 351,333.26 and 56,728.74 is: 85,093.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,221.62 : 351,333.26 = 56,728.74 : x
  2. Step 2: Convert to fraction form
    234,221.62/351,333.26 = 56,728.74/x
  3. Step 3: Cross multiply
    234,221.62x = 351,333.26 × 56,728.74
  4. Step 4: Simplify right side
    234,221.62x = 19,930,693,159.89
  5. Step 5: Solve for x
    x = 19,930,693,159.89/234,221.62
  6. Step 6: Final answer
    x = 85,093.31

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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.