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Finding the Fourth Proportional to 125,884.78, 173,724.63 and 68,527.82

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Solution

The fourth proportional to 125,884.78, 173,724.63 and 68,527.82 is: 94,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,884.78 : 173,724.63 = 68,527.82 : x
  2. Step 2: Convert to fraction form
    125,884.78/173,724.63 = 68,527.82/x
  3. Step 3: Cross multiply
    125,884.78x = 173,724.63 × 68,527.82
  4. Step 4: Simplify right side
    125,884.78x = 11,904,970,737.01
  5. Step 5: Solve for x
    x = 11,904,970,737.01/125,884.78
  6. Step 6: Final answer
    x = 94,570.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.