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Finding the Fourth Proportional to 104,662.92, 144,282.42 and 79,468.68

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Solution

The fourth proportional to 104,662.92, 144,282.42 and 79,468.68 is: 109,551.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,662.92 : 144,282.42 = 79,468.68 : x
  2. Step 2: Convert to fraction form
    104,662.92/144,282.42 = 79,468.68/x
  3. Step 3: Cross multiply
    104,662.92x = 144,282.42 × 79,468.68
  4. Step 4: Simplify right side
    104,662.92x = 11,465,933,464.61
  5. Step 5: Solve for x
    x = 11,465,933,464.61/104,662.92
  6. Step 6: Final answer
    x = 109,551.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.