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Finding the Fourth Proportional to 242,797.65, 335,062.22 and 140,883.80

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Solution

The fourth proportional to 242,797.65, 335,062.22 and 140,883.80 is: 194,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,797.65 : 335,062.22 = 140,883.80 : x
  2. Step 2: Convert to fraction form
    242,797.65/335,062.22 = 140,883.80/x
  3. Step 3: Cross multiply
    242,797.65x = 335,062.22 × 140,883.80
  4. Step 4: Simplify right side
    242,797.65x = 47,204,836,410.31
  5. Step 5: Solve for x
    x = 47,204,836,410.31/242,797.65
  6. Step 6: Final answer
    x = 194,420.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.