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Finding the Fourth Proportional to 120,722.22, 166,594.10 and 67,004.01

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Solution

The fourth proportional to 120,722.22, 166,594.10 and 67,004.01 is: 92,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,722.22 : 166,594.10 = 67,004.01 : x
  2. Step 2: Convert to fraction form
    120,722.22/166,594.10 = 67,004.01/x
  3. Step 3: Cross multiply
    120,722.22x = 166,594.10 × 67,004.01
  4. Step 4: Simplify right side
    120,722.22x = 11,162,472,407.32
  5. Step 5: Solve for x
    x = 11,162,472,407.32/120,722.22
  6. Step 6: Final answer
    x = 92,464.11

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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.