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Finding the Fourth Proportional to 235,278.36, 352,976.94 and 69,066.36

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Solution

The fourth proportional to 235,278.36, 352,976.94 and 69,066.36 is: 103,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,278.36 : 352,976.94 = 69,066.36 : x
  2. Step 2: Convert to fraction form
    235,278.36/352,976.94 = 69,066.36/x
  3. Step 3: Cross multiply
    235,278.36x = 352,976.94 × 69,066.36
  4. Step 4: Simplify right side
    235,278.36x = 24,378,832,409.74
  5. Step 5: Solve for x
    x = 24,378,832,409.74/235,278.36
  6. Step 6: Final answer
    x = 103,616.98

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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.