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Finding the Fourth Proportional to 77,580.82, 116,288.53 and 44,229.07

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Solution

The fourth proportional to 77,580.82, 116,288.53 and 44,229.07 is: 66,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,580.82 : 116,288.53 = 44,229.07 : x
  2. Step 2: Convert to fraction form
    77,580.82/116,288.53 = 44,229.07/x
  3. Step 3: Cross multiply
    77,580.82x = 116,288.53 × 44,229.07
  4. Step 4: Simplify right side
    77,580.82x = 5,143,333,644.14
  5. Step 5: Solve for x
    x = 5,143,333,644.14/77,580.82
  6. Step 6: Final answer
    x = 66,296.46

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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.