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Finding the Fourth Proportional to 195,581.60, 293,487.60 and 70,906.40

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Solution

The fourth proportional to 195,581.60, 293,487.60 and 70,906.40 is: 106,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,581.60 : 293,487.60 = 70,906.40 : x
  2. Step 2: Convert to fraction form
    195,581.60/293,487.60 = 70,906.40/x
  3. Step 3: Cross multiply
    195,581.60x = 293,487.60 × 70,906.40
  4. Step 4: Simplify right side
    195,581.60x = 20,810,149,160.64
  5. Step 5: Solve for x
    x = 20,810,149,160.64/195,581.60
  6. Step 6: Final answer
    x = 106,401.36

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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.