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Finding the Fourth Proportional to 110,357.92, 165,464.34 and 72,803.44

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Solution

The fourth proportional to 110,357.92, 165,464.34 and 72,803.44 is: 109,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,357.92 : 165,464.34 = 72,803.44 : x
  2. Step 2: Convert to fraction form
    110,357.92/165,464.34 = 72,803.44/x
  3. Step 3: Cross multiply
    110,357.92x = 165,464.34 × 72,803.44
  4. Step 4: Simplify right side
    110,357.92x = 12,046,373,149.33
  5. Step 5: Solve for x
    x = 12,046,373,149.33/110,357.92
  6. Step 6: Final answer
    x = 109,157.31

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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.