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Finding the Fourth Proportional to 72,371.19, 108,593.85 and 34,463.37

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Solution

The fourth proportional to 72,371.19, 108,593.85 and 34,463.37 is: 51,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,371.19 : 108,593.85 = 34,463.37 : x
  2. Step 2: Convert to fraction form
    72,371.19/108,593.85 = 34,463.37/x
  3. Step 3: Cross multiply
    72,371.19x = 108,593.85 × 34,463.37
  4. Step 4: Simplify right side
    72,371.19x = 3,742,510,032.27
  5. Step 5: Solve for x
    x = 3,742,510,032.27/72,371.19
  6. Step 6: Final answer
    x = 51,712.71

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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.