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Finding the Fourth Proportional to 73,282, 109,917.88 and 38,241.36

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Solution

The fourth proportional to 73,282, 109,917.88 and 38,241.36 is: 57,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,282 : 109,917.88 = 38,241.36 : x
  2. Step 2: Convert to fraction form
    73,282/109,917.88 = 38,241.36/x
  3. Step 3: Cross multiply
    73,282x = 109,917.88 × 38,241.36
  4. Step 4: Simplify right side
    73,282x = 4,203,409,219.52
  5. Step 5: Solve for x
    x = 4,203,409,219.52/73,282
  6. Step 6: Final answer
    x = 57,359.37

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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.