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Finding the Fourth Proportional to 248,241.72, 342,577.08 and 135,064.56

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Solution

The fourth proportional to 248,241.72, 342,577.08 and 135,064.56 is: 186,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,241.72 : 342,577.08 = 135,064.56 : x
  2. Step 2: Convert to fraction form
    248,241.72/342,577.08 = 135,064.56/x
  3. Step 3: Cross multiply
    248,241.72x = 342,577.08 × 135,064.56
  4. Step 4: Simplify right side
    248,241.72x = 46,270,022,576.28
  5. Step 5: Solve for x
    x = 46,270,022,576.28/248,241.72
  6. Step 6: Final answer
    x = 186,391.00

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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.