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Finding the Fourth Proportional to 77,755.79, 116,652.19 and 25,165.27

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Solution

The fourth proportional to 77,755.79, 116,652.19 and 25,165.27 is: 37,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,755.79 : 116,652.19 = 25,165.27 : x
  2. Step 2: Convert to fraction form
    77,755.79/116,652.19 = 25,165.27/x
  3. Step 3: Cross multiply
    77,755.79x = 116,652.19 × 25,165.27
  4. Step 4: Simplify right side
    77,755.79x = 2,935,583,794.53
  5. Step 5: Solve for x
    x = 2,935,583,794.53/77,755.79
  6. Step 6: Final answer
    x = 37,753.89

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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.