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Finding the Fourth Proportional to 72,522.66, 108,757.41 and 25,125.51

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Solution

The fourth proportional to 72,522.66, 108,757.41 and 25,125.51 is: 37,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,522.66 : 108,757.41 = 25,125.51 : x
  2. Step 2: Convert to fraction form
    72,522.66/108,757.41 = 25,125.51/x
  3. Step 3: Cross multiply
    72,522.66x = 108,757.41 × 25,125.51
  4. Step 4: Simplify right side
    72,522.66x = 2,732,584,723.11
  5. Step 5: Solve for x
    x = 2,732,584,723.11/72,522.66
  6. Step 6: Final answer
    x = 37,679.05

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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.