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Finding the Fourth Proportional to 61,180.76, 91,623.45 and 34,805.54

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Solution

The fourth proportional to 61,180.76, 91,623.45 and 34,805.54 is: 52,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,180.76 : 91,623.45 = 34,805.54 : x
  2. Step 2: Convert to fraction form
    61,180.76/91,623.45 = 34,805.54/x
  3. Step 3: Cross multiply
    61,180.76x = 91,623.45 × 34,805.54
  4. Step 4: Simplify right side
    61,180.76x = 3,189,003,653.91
  5. Step 5: Solve for x
    x = 3,189,003,653.91/61,180.76
  6. Step 6: Final answer
    x = 52,124.29

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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.