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Finding the Fourth Proportional to 242,752.26, 364,172.15 and 74,269.43

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Solution

The fourth proportional to 242,752.26, 364,172.15 and 74,269.43 is: 111,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,752.26 : 364,172.15 = 74,269.43 : x
  2. Step 2: Convert to fraction form
    242,752.26/364,172.15 = 74,269.43/x
  3. Step 3: Cross multiply
    242,752.26x = 364,172.15 × 74,269.43
  4. Step 4: Simplify right side
    242,752.26x = 27,046,858,002.37
  5. Step 5: Solve for x
    x = 27,046,858,002.37/242,752.26
  6. Step 6: Final answer
    x = 111,417.53

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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.