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Finding the Fourth Proportional to 110,356.92, 165,462.84 and 72,802.44

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Solution

The fourth proportional to 110,356.92, 165,462.84 and 72,802.44 is: 109,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,356.92 : 165,462.84 = 72,802.44 : x
  2. Step 2: Convert to fraction form
    110,356.92/165,462.84 = 72,802.44/x
  3. Step 3: Cross multiply
    110,356.92x = 165,462.84 × 72,802.44
  4. Step 4: Simplify right side
    110,356.92x = 12,046,098,481.33
  5. Step 5: Solve for x
    x = 12,046,098,481.33/110,356.92
  6. Step 6: Final answer
    x = 109,155.81

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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.