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Finding the Fourth Proportional to 110,486.64, 165,581.64 and 60,491.28

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Solution

The fourth proportional to 110,486.64, 165,581.64 and 60,491.28 is: 90,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,486.64 : 165,581.64 = 60,491.28 : x
  2. Step 2: Convert to fraction form
    110,486.64/165,581.64 = 60,491.28/x
  3. Step 3: Cross multiply
    110,486.64x = 165,581.64 × 60,491.28
  4. Step 4: Simplify right side
    110,486.64x = 10,016,245,348.10
  5. Step 5: Solve for x
    x = 10,016,245,348.10/110,486.64
  6. Step 6: Final answer
    x = 90,655.72

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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.