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Finding the Fourth Proportional to 73,304.80, 109,959.73 and 25,272.81

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Solution

The fourth proportional to 73,304.80, 109,959.73 and 25,272.81 is: 37,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,304.80 : 109,959.73 = 25,272.81 : x
  2. Step 2: Convert to fraction form
    73,304.80/109,959.73 = 25,272.81/x
  3. Step 3: Cross multiply
    73,304.80x = 109,959.73 × 25,272.81
  4. Step 4: Simplify right side
    73,304.80x = 2,778,991,300.76
  5. Step 5: Solve for x
    x = 2,778,991,300.76/73,304.80
  6. Step 6: Final answer
    x = 37,910.09

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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.