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Finding the Fourth Proportional to 61,173.68, 91,654.24 and 33,113.08

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Solution

The fourth proportional to 61,173.68, 91,654.24 and 33,113.08 is: 49,612.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,173.68 : 91,654.24 = 33,113.08 : x
  2. Step 2: Convert to fraction form
    61,173.68/91,654.24 = 33,113.08/x
  3. Step 3: Cross multiply
    61,173.68x = 91,654.24 × 33,113.08
  4. Step 4: Simplify right side
    61,173.68x = 3,034,954,181.46
  5. Step 5: Solve for x
    x = 3,034,954,181.46/61,173.68
  6. Step 6: Final answer
    x = 49,612.09

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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.