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Finding the Fourth Proportional to 69,053.13, 95,346.94 and 53,919.54

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Solution

The fourth proportional to 69,053.13, 95,346.94 and 53,919.54 is: 74,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,053.13 : 95,346.94 = 53,919.54 : x
  2. Step 2: Convert to fraction form
    69,053.13/95,346.94 = 53,919.54/x
  3. Step 3: Cross multiply
    69,053.13x = 95,346.94 × 53,919.54
  4. Step 4: Simplify right side
    69,053.13x = 5,141,063,145.21
  5. Step 5: Solve for x
    x = 5,141,063,145.21/69,053.13
  6. Step 6: Final answer
    x = 74,450.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.