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Finding the Fourth Proportional to 61,181.76, 91,624.95 and 34,806.54

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Solution

The fourth proportional to 61,181.76, 91,624.95 and 34,806.54 is: 52,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,181.76 : 91,624.95 = 34,806.54 : x
  2. Step 2: Convert to fraction form
    61,181.76/91,624.95 = 34,806.54/x
  3. Step 3: Cross multiply
    61,181.76x = 91,624.95 × 34,806.54
  4. Step 4: Simplify right side
    61,181.76x = 3,189,147,487.17
  5. Step 5: Solve for x
    x = 3,189,147,487.17/61,181.76
  6. Step 6: Final answer
    x = 52,125.79

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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.