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Finding the Fourth Proportional to 200,536.53, 300,813.81 and 65,608.29

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Solution

The fourth proportional to 200,536.53, 300,813.81 and 65,608.29 is: 98,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,536.53 : 300,813.81 = 65,608.29 : x
  2. Step 2: Convert to fraction form
    200,536.53/300,813.81 = 65,608.29/x
  3. Step 3: Cross multiply
    200,536.53x = 300,813.81 × 65,608.29
  4. Step 4: Simplify right side
    200,536.53x = 19,735,878,178.42
  5. Step 5: Solve for x
    x = 19,735,878,178.42/200,536.53
  6. Step 6: Final answer
    x = 98,415.38

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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.