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Finding the Fourth Proportional to 73,258.04, 109,893.54 and 39,963.80

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Solution

The fourth proportional to 73,258.04, 109,893.54 and 39,963.80 is: 59,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,258.04 : 109,893.54 = 39,963.80 : x
  2. Step 2: Convert to fraction form
    73,258.04/109,893.54 = 39,963.80/x
  3. Step 3: Cross multiply
    73,258.04x = 109,893.54 × 39,963.80
  4. Step 4: Simplify right side
    73,258.04x = 4,391,763,453.85
  5. Step 5: Solve for x
    x = 4,391,763,453.85/73,258.04
  6. Step 6: Final answer
    x = 59,949.23

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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.