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Finding the Fourth Proportional to 200,215.26, 300,349.32 and 73,944.27

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Solution

The fourth proportional to 200,215.26, 300,349.32 and 73,944.27 is: 110,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,215.26 : 300,349.32 = 73,944.27 : x
  2. Step 2: Convert to fraction form
    200,215.26/300,349.32 = 73,944.27/x
  3. Step 3: Cross multiply
    200,215.26x = 300,349.32 × 73,944.27
  4. Step 4: Simplify right side
    200,215.26x = 22,209,111,212.40
  5. Step 5: Solve for x
    x = 22,209,111,212.40/200,215.26
  6. Step 6: Final answer
    x = 110,926.17

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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.