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Finding the Fourth Proportional to 70,055.28, 104,944.68 and 52,544.88

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Solution

The fourth proportional to 70,055.28, 104,944.68 and 52,544.88 is: 78,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,055.28 : 104,944.68 = 52,544.88 : x
  2. Step 2: Convert to fraction form
    70,055.28/104,944.68 = 52,544.88/x
  3. Step 3: Cross multiply
    70,055.28x = 104,944.68 × 52,544.88
  4. Step 4: Simplify right side
    70,055.28x = 5,514,305,617.24
  5. Step 5: Solve for x
    x = 5,514,305,617.24/70,055.28
  6. Step 6: Final answer
    x = 78,713.63

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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.