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Finding the Fourth Proportional to 204,844.70, 307,267.05 and 57,100.70

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Solution

The fourth proportional to 204,844.70, 307,267.05 and 57,100.70 is: 85,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,844.70 : 307,267.05 = 57,100.70 : x
  2. Step 2: Convert to fraction form
    204,844.70/307,267.05 = 57,100.70/x
  3. Step 3: Cross multiply
    204,844.70x = 307,267.05 × 57,100.70
  4. Step 4: Simplify right side
    204,844.70x = 17,545,163,641.94
  5. Step 5: Solve for x
    x = 17,545,163,641.94/204,844.70
  6. Step 6: Final answer
    x = 85,651.05

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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.