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Finding the Fourth Proportional to 109,404.60, 164,058.90 and 50,220.60

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Solution

The fourth proportional to 109,404.60, 164,058.90 and 50,220.60 is: 75,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,404.60 : 164,058.90 = 50,220.60 : x
  2. Step 2: Convert to fraction form
    109,404.60/164,058.90 = 50,220.60/x
  3. Step 3: Cross multiply
    109,404.60x = 164,058.90 × 50,220.60
  4. Step 4: Simplify right side
    109,404.60x = 8,239,136,393.34
  5. Step 5: Solve for x
    x = 8,239,136,393.34/109,404.60
  6. Step 6: Final answer
    x = 75,308.87

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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.