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Finding the Fourth Proportional to 200,641.14, 300,962.27 and 50,881.52

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Solution

The fourth proportional to 200,641.14, 300,962.27 and 50,881.52 is: 76,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,641.14 : 300,962.27 = 50,881.52 : x
  2. Step 2: Convert to fraction form
    200,641.14/300,962.27 = 50,881.52/x
  3. Step 3: Cross multiply
    200,641.14x = 300,962.27 × 50,881.52
  4. Step 4: Simplify right side
    200,641.14x = 15,313,417,760.25
  5. Step 5: Solve for x
    x = 15,313,417,760.25/200,641.14
  6. Step 6: Final answer
    x = 76,322.42

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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.