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Finding the Fourth Proportional to 133,698.50, 200,480.97 and 43,729.47

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Solution

The fourth proportional to 133,698.50, 200,480.97 and 43,729.47 is: 65,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,698.50 : 200,480.97 = 43,729.47 : x
  2. Step 2: Convert to fraction form
    133,698.50/200,480.97 = 43,729.47/x
  3. Step 3: Cross multiply
    133,698.50x = 200,480.97 × 43,729.47
  4. Step 4: Simplify right side
    133,698.50x = 8,766,926,727.17
  5. Step 5: Solve for x
    x = 8,766,926,727.17/133,698.50
  6. Step 6: Final answer
    x = 65,572.36

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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.