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Finding the Fourth Proportional to 106,473.75, 159,737.63 and 39,914.07

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Solution

The fourth proportional to 106,473.75, 159,737.63 and 39,914.07 is: 59,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,473.75 : 159,737.63 = 39,914.07 : x
  2. Step 2: Convert to fraction form
    106,473.75/159,737.63 = 39,914.07/x
  3. Step 3: Cross multiply
    106,473.75x = 159,737.63 × 39,914.07
  4. Step 4: Simplify right side
    106,473.75x = 6,375,778,745.88
  5. Step 5: Solve for x
    x = 6,375,778,745.88/106,473.75
  6. Step 6: Final answer
    x = 59,881.23

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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.