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Finding the Fourth Proportional to 110,769.66, 165,889.62 and 63,880.38

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Solution

The fourth proportional to 110,769.66, 165,889.62 and 63,880.38 is: 95,667.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,769.66 : 165,889.62 = 63,880.38 : x
  2. Step 2: Convert to fraction form
    110,769.66/165,889.62 = 63,880.38/x
  3. Step 3: Cross multiply
    110,769.66x = 165,889.62 × 63,880.38
  4. Step 4: Simplify right side
    110,769.66x = 10,597,091,963.66
  5. Step 5: Solve for x
    x = 10,597,091,963.66/110,769.66
  6. Step 6: Final answer
    x = 95,667.82

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1.5x scale

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.