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Finding the Fourth Proportional to 149,341.80, 206,047.56 and 88,863.96

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Solution

The fourth proportional to 149,341.80, 206,047.56 and 88,863.96 is: 122,606.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,341.80 : 206,047.56 = 88,863.96 : x
  2. Step 2: Convert to fraction form
    149,341.80/206,047.56 = 88,863.96/x
  3. Step 3: Cross multiply
    149,341.80x = 206,047.56 × 88,863.96
  4. Step 4: Simplify right side
    149,341.80x = 18,310,202,129.94
  5. Step 5: Solve for x
    x = 18,310,202,129.94/149,341.80
  6. Step 6: Final answer
    x = 122,606.01

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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.