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Finding the Fourth Proportional to 200,213.74, 300,347.03 and 73,942.74

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Solution

The fourth proportional to 200,213.74, 300,347.03 and 73,942.74 is: 110,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,213.74 : 300,347.03 = 73,942.74 : x
  2. Step 2: Convert to fraction form
    200,213.74/300,347.03 = 73,942.74/x
  3. Step 3: Cross multiply
    200,213.74x = 300,347.03 × 73,942.74
  4. Step 4: Simplify right side
    200,213.74x = 22,208,482,349.06
  5. Step 5: Solve for x
    x = 22,208,482,349.06/200,213.74
  6. Step 6: Final answer
    x = 110,923.87

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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.