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Finding the Fourth Proportional to 61,207.72, 91,724.10 and 34,858.02

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Solution

The fourth proportional to 61,207.72, 91,724.10 and 34,858.02 is: 52,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,207.72 : 91,724.10 = 34,858.02 : x
  2. Step 2: Convert to fraction form
    61,207.72/91,724.10 = 34,858.02/x
  3. Step 3: Cross multiply
    61,207.72x = 91,724.10 × 34,858.02
  4. Step 4: Simplify right side
    61,207.72x = 3,197,320,512.28
  5. Step 5: Solve for x
    x = 3,197,320,512.28/61,207.72
  6. Step 6: Final answer
    x = 52,237.21

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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.