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Finding the Fourth Proportional to 104,801.80, 157,103.88 and 52,161.52

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Solution

The fourth proportional to 104,801.80, 157,103.88 and 52,161.52 is: 78,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,801.80 : 157,103.88 = 52,161.52 : x
  2. Step 2: Convert to fraction form
    104,801.80/157,103.88 = 52,161.52/x
  3. Step 3: Cross multiply
    104,801.80x = 157,103.88 × 52,161.52
  4. Step 4: Simplify right side
    104,801.80x = 8,194,777,178.70
  5. Step 5: Solve for x
    x = 8,194,777,178.70/104,801.80
  6. Step 6: Final answer
    x = 78,193.10

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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.