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Finding the Fourth Proportional to 195,489.60, 293,234.40 and 127,838.40

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Solution

The fourth proportional to 195,489.60, 293,234.40 and 127,838.40 is: 191,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,489.60 : 293,234.40 = 127,838.40 : x
  2. Step 2: Convert to fraction form
    195,489.60/293,234.40 = 127,838.40/x
  3. Step 3: Cross multiply
    195,489.60x = 293,234.40 × 127,838.40
  4. Step 4: Simplify right side
    195,489.60x = 37,486,616,520.96
  5. Step 5: Solve for x
    x = 37,486,616,520.96/195,489.60
  6. Step 6: Final answer
    x = 191,757.60

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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.