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Finding the Fourth Proportional to 110,521.94, 165,664.87 and 63,034.80

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Solution

The fourth proportional to 110,521.94, 165,664.87 and 63,034.80 is: 94,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,521.94 : 165,664.87 = 63,034.80 : x
  2. Step 2: Convert to fraction form
    110,521.94/165,664.87 = 63,034.80/x
  3. Step 3: Cross multiply
    110,521.94x = 165,664.87 × 63,034.80
  4. Step 4: Simplify right side
    110,521.94x = 10,442,651,947.48
  5. Step 5: Solve for x
    x = 10,442,651,947.48/110,521.94
  6. Step 6: Final answer
    x = 94,484.88

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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.