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Finding the Fourth Proportional to 101,698.88, 152,549.22 and 41,760.32

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Solution

The fourth proportional to 101,698.88, 152,549.22 and 41,760.32 is: 62,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,698.88 : 152,549.22 = 41,760.32 : x
  2. Step 2: Convert to fraction form
    101,698.88/152,549.22 = 41,760.32/x
  3. Step 3: Cross multiply
    101,698.88x = 152,549.22 × 41,760.32
  4. Step 4: Simplify right side
    101,698.88x = 6,370,504,242.95
  5. Step 5: Solve for x
    x = 6,370,504,242.95/101,698.88
  6. Step 6: Final answer
    x = 62,640.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.