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Finding the Fourth Proportional to 133,404.80, 199,884.96 and 93,878.80

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Solution

The fourth proportional to 133,404.80, 199,884.96 and 93,878.80 is: 140,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,404.80 : 199,884.96 = 93,878.80 : x
  2. Step 2: Convert to fraction form
    133,404.80/199,884.96 = 93,878.80/x
  3. Step 3: Cross multiply
    133,404.80x = 199,884.96 × 93,878.80
  4. Step 4: Simplify right side
    133,404.80x = 18,764,960,182.85
  5. Step 5: Solve for x
    x = 18,764,960,182.85/133,404.80
  6. Step 6: Final answer
    x = 140,661.81

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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.