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Finding the Fourth Proportional to 133,845.80, 200,633.70 and 49,551.80

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Solution

The fourth proportional to 133,845.80, 200,633.70 and 49,551.80 is: 74,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,845.80 : 200,633.70 = 49,551.80 : x
  2. Step 2: Convert to fraction form
    133,845.80/200,633.70 = 49,551.80/x
  3. Step 3: Cross multiply
    133,845.80x = 200,633.70 × 49,551.80
  4. Step 4: Simplify right side
    133,845.80x = 9,941,760,975.66
  5. Step 5: Solve for x
    x = 9,941,760,975.66/133,845.80
  6. Step 6: Final answer
    x = 74,277.72

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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.