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Finding the Fourth Proportional to 148,704.77, 205,119 and 88,232.49

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Solution

The fourth proportional to 148,704.77, 205,119 and 88,232.49 is: 121,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,704.77 : 205,119 = 88,232.49 : x
  2. Step 2: Convert to fraction form
    148,704.77/205,119 = 88,232.49/x
  3. Step 3: Cross multiply
    148,704.77x = 205,119 × 88,232.49
  4. Step 4: Simplify right side
    148,704.77x = 18,098,160,116.31
  5. Step 5: Solve for x
    x = 18,098,160,116.31/148,704.77
  6. Step 6: Final answer
    x = 121,705.31

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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.