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Finding the Fourth Proportional to 72,156.52, 108,244.94 and 22,240.64

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Solution

The fourth proportional to 72,156.52, 108,244.94 and 22,240.64 is: 33,364.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,156.52 : 108,244.94 = 22,240.64 : x
  2. Step 2: Convert to fraction form
    72,156.52/108,244.94 = 22,240.64/x
  3. Step 3: Cross multiply
    72,156.52x = 108,244.94 × 22,240.64
  4. Step 4: Simplify right side
    72,156.52x = 2,407,436,742.36
  5. Step 5: Solve for x
    x = 2,407,436,742.36/72,156.52
  6. Step 6: Final answer
    x = 33,364.09

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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.