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Finding the Fourth Proportional to 208,872.61, 313,321.10 and 59,100.37

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Solution

The fourth proportional to 208,872.61, 313,321.10 and 59,100.37 is: 88,654.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,872.61 : 313,321.10 = 59,100.37 : x
  2. Step 2: Convert to fraction form
    208,872.61/313,321.10 = 59,100.37/x
  3. Step 3: Cross multiply
    208,872.61x = 313,321.10 × 59,100.37
  4. Step 4: Simplify right side
    208,872.61x = 18,517,391,860.00
  5. Step 5: Solve for x
    x = 18,517,391,860.00/208,872.61
  6. Step 6: Final answer
    x = 88,654.00

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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.