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Finding the Fourth Proportional to 61,179.88, 91,707.78 and 41,460.40

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Solution

The fourth proportional to 61,179.88, 91,707.78 and 41,460.40 is: 62,148.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,179.88 : 91,707.78 = 41,460.40 : x
  2. Step 2: Convert to fraction form
    61,179.88/91,707.78 = 41,460.40/x
  3. Step 3: Cross multiply
    61,179.88x = 91,707.78 × 41,460.40
  4. Step 4: Simplify right side
    61,179.88x = 3,802,241,241.91
  5. Step 5: Solve for x
    x = 3,802,241,241.91/61,179.88
  6. Step 6: Final answer
    x = 62,148.56

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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.