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Finding the Fourth Proportional to 120,725.54, 166,600.04 and 67,009.17

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Solution

The fourth proportional to 120,725.54, 166,600.04 and 67,009.17 is: 92,471.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,725.54 : 166,600.04 = 67,009.17 : x
  2. Step 2: Convert to fraction form
    120,725.54/166,600.04 = 67,009.17/x
  3. Step 3: Cross multiply
    120,725.54x = 166,600.04 × 67,009.17
  4. Step 4: Simplify right side
    120,725.54x = 11,163,731,069.00
  5. Step 5: Solve for x
    x = 11,163,731,069.00/120,725.54
  6. Step 6: Final answer
    x = 92,471.99

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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.