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Finding the Fourth Proportional to 248,563.04, 342,907.86 and 167,961.20

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Solution

The fourth proportional to 248,563.04, 342,907.86 and 167,961.20 is: 231,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,563.04 : 342,907.86 = 167,961.20 : x
  2. Step 2: Convert to fraction form
    248,563.04/342,907.86 = 167,961.20/x
  3. Step 3: Cross multiply
    248,563.04x = 342,907.86 × 167,961.20
  4. Step 4: Simplify right side
    248,563.04x = 57,595,215,655.03
  5. Step 5: Solve for x
    x = 57,595,215,655.03/248,563.04
  6. Step 6: Final answer
    x = 231,712.71

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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.