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Finding the Fourth Proportional to 295,544.10, 407,851.31 and 168,219.69

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Solution

The fourth proportional to 295,544.10, 407,851.31 and 168,219.69 is: 232,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,544.10 : 407,851.31 = 168,219.69 : x
  2. Step 2: Convert to fraction form
    295,544.10/407,851.31 = 168,219.69/x
  3. Step 3: Cross multiply
    295,544.10x = 407,851.31 × 168,219.69
  4. Step 4: Simplify right side
    295,544.10x = 68,608,620,093.20
  5. Step 5: Solve for x
    x = 68,608,620,093.20/295,544.10
  6. Step 6: Final answer
    x = 232,143.43

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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.