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Finding the Fourth Proportional to 72,394.43, 108,606.11 and 25,011.23

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Solution

The fourth proportional to 72,394.43, 108,606.11 and 25,011.23 is: 37,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,394.43 : 108,606.11 = 25,011.23 : x
  2. Step 2: Convert to fraction form
    72,394.43/108,606.11 = 25,011.23/x
  3. Step 3: Cross multiply
    72,394.43x = 108,606.11 × 25,011.23
  4. Step 4: Simplify right side
    72,394.43x = 2,716,371,728.53
  5. Step 5: Solve for x
    x = 2,716,371,728.53/72,394.43
  6. Step 6: Final answer
    x = 37,521.84

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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.