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Finding the Fourth Proportional to 133,647.88, 200,439.36 and 44,878.36

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Solution

The fourth proportional to 133,647.88, 200,439.36 and 44,878.36 is: 67,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,647.88 : 200,439.36 = 44,878.36 : x
  2. Step 2: Convert to fraction form
    133,647.88/200,439.36 = 44,878.36/x
  3. Step 3: Cross multiply
    133,647.88x = 200,439.36 × 44,878.36
  4. Step 4: Simplify right side
    133,647.88x = 8,995,389,756.25
  5. Step 5: Solve for x
    x = 8,995,389,756.25/133,647.88
  6. Step 6: Final answer
    x = 67,306.64

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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.