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Finding the Fourth Proportional to 133,781.70, 200,676.78 and 49,562.94

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Solution

The fourth proportional to 133,781.70, 200,676.78 and 49,562.94 is: 74,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,781.70 : 200,676.78 = 49,562.94 : x
  2. Step 2: Convert to fraction form
    133,781.70/200,676.78 = 49,562.94/x
  3. Step 3: Cross multiply
    133,781.70x = 200,676.78 × 49,562.94
  4. Step 4: Simplify right side
    133,781.70x = 9,946,131,206.53
  5. Step 5: Solve for x
    x = 9,946,131,206.53/133,781.70
  6. Step 6: Final answer
    x = 74,345.98

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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.