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Finding the Fourth Proportional to 61,181.38, 91,710.06 and 41,461.90

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Solution

The fourth proportional to 61,181.38, 91,710.06 and 41,461.90 is: 62,150.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,181.38 : 91,710.06 = 41,461.90 : x
  2. Step 2: Convert to fraction form
    61,181.38/91,710.06 = 41,461.90/x
  3. Step 3: Cross multiply
    61,181.38x = 91,710.06 × 41,461.90
  4. Step 4: Simplify right side
    61,181.38x = 3,802,473,336.71
  5. Step 5: Solve for x
    x = 3,802,473,336.71/61,181.38
  6. Step 6: Final answer
    x = 62,150.83

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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.