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Finding the Fourth Proportional to 133,404.74, 200,107.50 and 54,518.98

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Solution

The fourth proportional to 133,404.74, 200,107.50 and 54,518.98 is: 81,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,404.74 : 200,107.50 = 54,518.98 : x
  2. Step 2: Convert to fraction form
    133,404.74/200,107.50 = 54,518.98/x
  3. Step 3: Cross multiply
    133,404.74x = 200,107.50 × 54,518.98
  4. Step 4: Simplify right side
    133,404.74x = 10,909,656,790.35
  5. Step 5: Solve for x
    x = 10,909,656,790.35/133,404.74
  6. Step 6: Final answer
    x = 81,778.63

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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.