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Finding the Fourth Proportional to 263,797.13, 364,040.36 and 142,938.32

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Solution

The fourth proportional to 263,797.13, 364,040.36 and 142,938.32 is: 197,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,797.13 : 364,040.36 = 142,938.32 : x
  2. Step 2: Convert to fraction form
    263,797.13/364,040.36 = 142,938.32/x
  3. Step 3: Cross multiply
    263,797.13x = 364,040.36 × 142,938.32
  4. Step 4: Simplify right side
    263,797.13x = 52,035,317,470.60
  5. Step 5: Solve for x
    x = 52,035,317,470.60/263,797.13
  6. Step 6: Final answer
    x = 197,255.06

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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.