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Finding the Fourth Proportional to 87,955.97, 131,859.63 and 59,796.95

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Solution

The fourth proportional to 87,955.97, 131,859.63 and 59,796.95 is: 89,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,955.97 : 131,859.63 = 59,796.95 : x
  2. Step 2: Convert to fraction form
    87,955.97/131,859.63 = 59,796.95/x
  3. Step 3: Cross multiply
    87,955.97x = 131,859.63 × 59,796.95
  4. Step 4: Simplify right side
    87,955.97x = 7,884,803,042.83
  5. Step 5: Solve for x
    x = 7,884,803,042.83/87,955.97
  6. Step 6: Final answer
    x = 89,644.89

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1.5x scale

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.