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Finding the Fourth Proportional to 187,083.88, 280,625.82 and 68,704.00

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Solution

The fourth proportional to 187,083.88, 280,625.82 and 68,704.00 is: 103,056.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,083.88 : 280,625.82 = 68,704.00 : x
  2. Step 2: Convert to fraction form
    187,083.88/280,625.82 = 68,704.00/x
  3. Step 3: Cross multiply
    187,083.88x = 280,625.82 × 68,704.00
  4. Step 4: Simplify right side
    187,083.88x = 19,280,115,378.08
  5. Step 5: Solve for x
    x = 19,280,115,378.08/187,083.88
  6. Step 6: Final answer
    x = 103,056.00

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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.