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Finding the Fourth Proportional to 208,372.94, 312,555.09 and 50,602.22

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Solution

The fourth proportional to 208,372.94, 312,555.09 and 50,602.22 is: 75,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,372.94 : 312,555.09 = 50,602.22 : x
  2. Step 2: Convert to fraction form
    208,372.94/312,555.09 = 50,602.22/x
  3. Step 3: Cross multiply
    208,372.94x = 312,555.09 × 50,602.22
  4. Step 4: Simplify right side
    208,372.94x = 15,815,981,426.30
  5. Step 5: Solve for x
    x = 15,815,981,426.30/208,372.94
  6. Step 6: Final answer
    x = 75,902.28

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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.