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Finding the Fourth Proportional to 77,370.85, 116,018.00 and 27,443.46

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Solution

The fourth proportional to 77,370.85, 116,018.00 and 27,443.46 is: 41,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,370.85 : 116,018.00 = 27,443.46 : x
  2. Step 2: Convert to fraction form
    77,370.85/116,018.00 = 27,443.46/x
  3. Step 3: Cross multiply
    77,370.85x = 116,018.00 × 27,443.46
  4. Step 4: Simplify right side
    77,370.85x = 3,183,935,013.26
  5. Step 5: Solve for x
    x = 3,183,935,013.26/77,370.85
  6. Step 6: Final answer
    x = 41,151.61

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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.