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Finding the Fourth Proportional to 140,104.40, 196,408.60 and 140,104.40

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Solution

The fourth proportional to 140,104.40, 196,408.60 and 140,104.40 is: 196,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,104.40 : 196,408.60 = 140,104.40 : x
  2. Step 2: Convert to fraction form
    140,104.40/196,408.60 = 140,104.40/x
  3. Step 3: Cross multiply
    140,104.40x = 196,408.60 × 140,104.40
  4. Step 4: Simplify right side
    140,104.40x = 27,517,709,057.84
  5. Step 5: Solve for x
    x = 27,517,709,057.84/140,104.40
  6. Step 6: Final answer
    x = 196,408.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.