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Finding the Fourth Proportional to 242,993.77, 364,543.94 and 74,526.73

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Solution

The fourth proportional to 242,993.77, 364,543.94 and 74,526.73 is: 111,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,993.77 : 364,543.94 = 74,526.73 : x
  2. Step 2: Convert to fraction form
    242,993.77/364,543.94 = 74,526.73/x
  3. Step 3: Cross multiply
    242,993.77x = 364,543.94 × 74,526.73
  4. Step 4: Simplify right side
    242,993.77x = 27,168,269,115.03
  5. Step 5: Solve for x
    x = 27,168,269,115.03/242,993.77
  6. Step 6: Final answer
    x = 111,806.44

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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.