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Finding the Fourth Proportional to 104,483.90, 156,793.05 and 57,770.30

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Solution

The fourth proportional to 104,483.90, 156,793.05 and 57,770.30 is: 86,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,483.90 : 156,793.05 = 57,770.30 : x
  2. Step 2: Convert to fraction form
    104,483.90/156,793.05 = 57,770.30/x
  3. Step 3: Cross multiply
    104,483.90x = 156,793.05 × 57,770.30
  4. Step 4: Simplify right side
    104,483.90x = 9,057,981,536.42
  5. Step 5: Solve for x
    x = 9,057,981,536.42/104,483.90
  6. Step 6: Final answer
    x = 86,692.61

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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.