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Finding the Fourth Proportional to 88,340.82, 121,882.82 and 50,097.36

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Solution

The fourth proportional to 88,340.82, 121,882.82 and 50,097.36 is: 69,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,340.82 : 121,882.82 = 50,097.36 : x
  2. Step 2: Convert to fraction form
    88,340.82/121,882.82 = 50,097.36/x
  3. Step 3: Cross multiply
    88,340.82x = 121,882.82 × 50,097.36
  4. Step 4: Simplify right side
    88,340.82x = 6,106,008,007.35
  5. Step 5: Solve for x
    x = 6,106,008,007.35/88,340.82
  6. Step 6: Final answer
    x = 69,118.76

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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.