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Finding the Fourth Proportional to 243,941.80, 365,322.14 and 168,851.56

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Solution

The fourth proportional to 243,941.80, 365,322.14 and 168,851.56 is: 252,868.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,941.80 : 365,322.14 = 168,851.56 : x
  2. Step 2: Convert to fraction form
    243,941.80/365,322.14 = 168,851.56/x
  3. Step 3: Cross multiply
    243,941.80x = 365,322.14 × 168,851.56
  4. Step 4: Simplify right side
    243,941.80x = 61,685,213,241.54
  5. Step 5: Solve for x
    x = 61,685,213,241.54/243,941.80
  6. Step 6: Final answer
    x = 252,868.57

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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.