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Finding the Fourth Proportional to 72,194.46, 108,284.54 and 22,261.08

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Solution

The fourth proportional to 72,194.46, 108,284.54 and 22,261.08 is: 33,389.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,194.46 : 108,284.54 = 22,261.08 : x
  2. Step 2: Convert to fraction form
    72,194.46/108,284.54 = 22,261.08/x
  3. Step 3: Cross multiply
    72,194.46x = 108,284.54 × 22,261.08
  4. Step 4: Simplify right side
    72,194.46x = 2,410,530,807.70
  5. Step 5: Solve for x
    x = 2,410,530,807.70/72,194.46
  6. Step 6: Final answer
    x = 33,389.42

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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.