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Finding the Fourth Proportional to 110,530.08, 165,672 and 43,952.40

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Solution

The fourth proportional to 110,530.08, 165,672 and 43,952.40 is: 65,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,530.08 : 165,672 = 43,952.40 : x
  2. Step 2: Convert to fraction form
    110,530.08/165,672 = 43,952.40/x
  3. Step 3: Cross multiply
    110,530.08x = 165,672 × 43,952.40
  4. Step 4: Simplify right side
    110,530.08x = 7,281,682,012.80
  5. Step 5: Solve for x
    x = 7,281,682,012.80/110,530.08
  6. Step 6: Final answer
    x = 65,879.64

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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.