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Finding the Fourth Proportional to 148,951.00, 205,554.36 and 80,969.02

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Solution

The fourth proportional to 148,951.00, 205,554.36 and 80,969.02 is: 111,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,951.00 : 205,554.36 = 80,969.02 : x
  2. Step 2: Convert to fraction form
    148,951.00/205,554.36 = 80,969.02/x
  3. Step 3: Cross multiply
    148,951.00x = 205,554.36 × 80,969.02
  4. Step 4: Simplify right side
    148,951.00x = 16,643,534,058.16
  5. Step 5: Solve for x
    x = 16,643,534,058.16/148,951.00
  6. Step 6: Final answer
    x = 111,738.32

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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.