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Finding the Fourth Proportional to 148,696.98, 205,202.03 and 80,713.91

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Solution

The fourth proportional to 148,696.98, 205,202.03 and 80,713.91 is: 111,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,696.98 : 205,202.03 = 80,713.91 : x
  2. Step 2: Convert to fraction form
    148,696.98/205,202.03 = 80,713.91/x
  3. Step 3: Cross multiply
    148,696.98x = 205,202.03 × 80,713.91
  4. Step 4: Simplify right side
    148,696.98x = 16,562,658,896.03
  5. Step 5: Solve for x
    x = 16,562,658,896.03/148,696.98
  6. Step 6: Final answer
    x = 111,385.31

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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.