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Finding the Fourth Proportional to 149,392.85, 206,071.48 and 88,923.11

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Solution

The fourth proportional to 149,392.85, 206,071.48 and 88,923.11 is: 122,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,392.85 : 206,071.48 = 88,923.11 : x
  2. Step 2: Convert to fraction form
    149,392.85/206,071.48 = 88,923.11/x
  3. Step 3: Cross multiply
    149,392.85x = 206,071.48 × 88,923.11
  4. Step 4: Simplify right side
    149,392.85x = 18,324,517,510.24
  5. Step 5: Solve for x
    x = 18,324,517,510.24/149,392.85
  6. Step 6: Final answer
    x = 122,659.93

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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.