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Finding the Fourth Proportional to 195,625.60, 293,553.60 and 70,979.20

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Solution

The fourth proportional to 195,625.60, 293,553.60 and 70,979.20 is: 106,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,625.60 : 293,553.60 = 70,979.20 : x
  2. Step 2: Convert to fraction form
    195,625.60/293,553.60 = 70,979.20/x
  3. Step 3: Cross multiply
    195,625.60x = 293,553.60 × 70,979.20
  4. Step 4: Simplify right side
    195,625.60x = 20,836,199,685.12
  5. Step 5: Solve for x
    x = 20,836,199,685.12/195,625.60
  6. Step 6: Final answer
    x = 106,510.60

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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.