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Finding the Fourth Proportional to 133,828.70, 200,743.05 and 45,052.70

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Solution

The fourth proportional to 133,828.70, 200,743.05 and 45,052.70 is: 67,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,828.70 : 200,743.05 = 45,052.70 : x
  2. Step 2: Convert to fraction form
    133,828.70/200,743.05 = 45,052.70/x
  3. Step 3: Cross multiply
    133,828.70x = 200,743.05 × 45,052.70
  4. Step 4: Simplify right side
    133,828.70x = 9,044,016,408.74
  5. Step 5: Solve for x
    x = 9,044,016,408.74/133,828.70
  6. Step 6: Final answer
    x = 67,579.05

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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.