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Finding the Fourth Proportional to 77,449.70, 116,186.72 and 33,076.69

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Solution

The fourth proportional to 77,449.70, 116,186.72 and 33,076.69 is: 49,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,449.70 : 116,186.72 = 33,076.69 : x
  2. Step 2: Convert to fraction form
    77,449.70/116,186.72 = 33,076.69/x
  3. Step 3: Cross multiply
    77,449.70x = 116,186.72 × 33,076.69
  4. Step 4: Simplify right side
    77,449.70x = 3,843,071,663.71
  5. Step 5: Solve for x
    x = 3,843,071,663.71/77,449.70
  6. Step 6: Final answer
    x = 49,620.22

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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.