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Finding the Fourth Proportional to 133,648.80, 200,515.44 and 49,422.24

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Solution

The fourth proportional to 133,648.80, 200,515.44 and 49,422.24 is: 74,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,648.80 : 200,515.44 = 49,422.24 : x
  2. Step 2: Convert to fraction form
    133,648.80/200,515.44 = 49,422.24/x
  3. Step 3: Cross multiply
    133,648.80x = 200,515.44 × 49,422.24
  4. Step 4: Simplify right side
    133,648.80x = 9,909,922,199.39
  5. Step 5: Solve for x
    x = 9,909,922,199.39/133,648.80
  6. Step 6: Final answer
    x = 74,148.98

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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.