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Finding the Fourth Proportional to 75,309.53, 112,885.47 and 25,372.37

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Solution

The fourth proportional to 75,309.53, 112,885.47 and 25,372.37 is: 38,031.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,309.53 : 112,885.47 = 25,372.37 : x
  2. Step 2: Convert to fraction form
    75,309.53/112,885.47 = 25,372.37/x
  3. Step 3: Cross multiply
    75,309.53x = 112,885.47 × 25,372.37
  4. Step 4: Simplify right side
    75,309.53x = 2,864,171,348.04
  5. Step 5: Solve for x
    x = 2,864,171,348.04/75,309.53
  6. Step 6: Final answer
    x = 38,031.99

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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.