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Finding the Fourth Proportional to 61,166.40, 91,632.60 and 41,347.68

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Solution

The fourth proportional to 61,166.40, 91,632.60 and 41,347.68 is: 61,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,166.40 : 91,632.60 = 41,347.68 : x
  2. Step 2: Convert to fraction form
    61,166.40/91,632.60 = 41,347.68/x
  3. Step 3: Cross multiply
    61,166.40x = 91,632.60 × 41,347.68
  4. Step 4: Simplify right side
    61,166.40x = 3,788,795,422.37
  5. Step 5: Solve for x
    x = 3,788,795,422.37/61,166.40
  6. Step 6: Final answer
    x = 61,942.43

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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.