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Finding the Fourth Proportional to 242,791.80, 334,933.60 and 162,239.12

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Solution

The fourth proportional to 242,791.80, 334,933.60 and 162,239.12 is: 223,810.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,791.80 : 334,933.60 = 162,239.12 : x
  2. Step 2: Convert to fraction form
    242,791.80/334,933.60 = 162,239.12/x
  3. Step 3: Cross multiply
    242,791.80x = 334,933.60 × 162,239.12
  4. Step 4: Simplify right side
    242,791.80x = 54,339,332,522.43
  5. Step 5: Solve for x
    x = 54,339,332,522.43/242,791.80
  6. Step 6: Final answer
    x = 223,810.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.