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Finding the Fourth Proportional to 242,751.26, 364,170.65 and 74,268.43

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Solution

The fourth proportional to 242,751.26, 364,170.65 and 74,268.43 is: 111,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,751.26 : 364,170.65 = 74,268.43 : x
  2. Step 2: Convert to fraction form
    242,751.26/364,170.65 = 74,268.43/x
  3. Step 3: Cross multiply
    242,751.26x = 364,170.65 × 74,268.43
  4. Step 4: Simplify right side
    242,751.26x = 27,046,381,145.81
  5. Step 5: Solve for x
    x = 27,046,381,145.81/242,751.26
  6. Step 6: Final answer
    x = 111,416.03

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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.