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Finding the Fourth Proportional to 200,884.74, 301,329.27 and 60,644.58

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Solution

The fourth proportional to 200,884.74, 301,329.27 and 60,644.58 is: 90,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,884.74 : 301,329.27 = 60,644.58 : x
  2. Step 2: Convert to fraction form
    200,884.74/301,329.27 = 60,644.58/x
  3. Step 3: Cross multiply
    200,884.74x = 301,329.27 × 60,644.58
  4. Step 4: Simplify right side
    200,884.74x = 18,273,987,020.86
  5. Step 5: Solve for x
    x = 18,273,987,020.86/200,884.74
  6. Step 6: Final answer
    x = 90,967.52

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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.