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Finding the Fourth Proportional to 119,996.64, 165,596.64 and 66,283.08

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Solution

The fourth proportional to 119,996.64, 165,596.64 and 66,283.08 is: 91,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,996.64 : 165,596.64 = 66,283.08 : x
  2. Step 2: Convert to fraction form
    119,996.64/165,596.64 = 66,283.08/x
  3. Step 3: Cross multiply
    119,996.64x = 165,596.64 × 66,283.08
  4. Step 4: Simplify right side
    119,996.64x = 10,976,255,336.85
  5. Step 5: Solve for x
    x = 10,976,255,336.85/119,996.64
  6. Step 6: Final answer
    x = 91,471.36

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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.