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Finding the Fourth Proportional to 141,804, 195,691.95 and 91,590.48

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Solution

The fourth proportional to 141,804, 195,691.95 and 91,590.48 is: 126,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804 : 195,691.95 = 91,590.48 : x
  2. Step 2: Convert to fraction form
    141,804/195,691.95 = 91,590.48/x
  3. Step 3: Cross multiply
    141,804x = 195,691.95 × 91,590.48
  4. Step 4: Simplify right side
    141,804x = 17,923,519,632.64
  5. Step 5: Solve for x
    x = 17,923,519,632.64/141,804
  6. Step 6: Final answer
    x = 126,396.43

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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.