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Finding the Fourth Proportional to 73,052.52, 109,512.99 and 26,272.50

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Solution

The fourth proportional to 73,052.52, 109,512.99 and 26,272.50 is: 39,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,052.52 : 109,512.99 = 26,272.50 : x
  2. Step 2: Convert to fraction form
    73,052.52/109,512.99 = 26,272.50/x
  3. Step 3: Cross multiply
    73,052.52x = 109,512.99 × 26,272.50
  4. Step 4: Simplify right side
    73,052.52x = 2,877,180,029.78
  5. Step 5: Solve for x
    x = 2,877,180,029.78/73,052.52
  6. Step 6: Final answer
    x = 39,385.09

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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.