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Finding the Fourth Proportional to 77,303.50, 116,481.83 and 63,571.11

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Solution

The fourth proportional to 77,303.50, 116,481.83 and 63,571.11 is: 95,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,303.50 : 116,481.83 = 63,571.11 : x
  2. Step 2: Convert to fraction form
    77,303.50/116,481.83 = 63,571.11/x
  3. Step 3: Cross multiply
    77,303.50x = 116,481.83 × 63,571.11
  4. Step 4: Simplify right side
    77,303.50x = 7,404,878,473.27
  5. Step 5: Solve for x
    x = 7,404,878,473.27/77,303.50
  6. Step 6: Final answer
    x = 95,789.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.