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Finding the Fourth Proportional to 109,404.70, 164,107.05 and 93,658.30

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Solution

The fourth proportional to 109,404.70, 164,107.05 and 93,658.30 is: 140,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,404.70 : 164,107.05 = 93,658.30 : x
  2. Step 2: Convert to fraction form
    109,404.70/164,107.05 = 93,658.30/x
  3. Step 3: Cross multiply
    109,404.70x = 164,107.05 × 93,658.30
  4. Step 4: Simplify right side
    109,404.70x = 15,369,987,321.02
  5. Step 5: Solve for x
    x = 15,369,987,321.02/109,404.70
  6. Step 6: Final answer
    x = 140,487.45

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1.5x scale

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.