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Finding the Fourth Proportional to 204,767.70, 307,151.55 and 133,908.90

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Solution

The fourth proportional to 204,767.70, 307,151.55 and 133,908.90 is: 200,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,767.70 : 307,151.55 = 133,908.90 : x
  2. Step 2: Convert to fraction form
    204,767.70/307,151.55 = 133,908.90/x
  3. Step 3: Cross multiply
    204,767.70x = 307,151.55 × 133,908.90
  4. Step 4: Simplify right side
    204,767.70x = 41,130,326,193.80
  5. Step 5: Solve for x
    x = 41,130,326,193.80/204,767.70
  6. Step 6: Final answer
    x = 200,863.35

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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.