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Finding the Fourth Proportional to 86,092.08, 118,753.48 and 59,187.88

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Solution

The fourth proportional to 86,092.08, 118,753.48 and 59,187.88 is: 81,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,092.08 : 118,753.48 = 59,187.88 : x
  2. Step 2: Convert to fraction form
    86,092.08/118,753.48 = 59,187.88/x
  3. Step 3: Cross multiply
    86,092.08x = 118,753.48 × 59,187.88
  4. Step 4: Simplify right side
    86,092.08x = 7,028,766,723.82
  5. Step 5: Solve for x
    x = 7,028,766,723.82/86,092.08
  6. Step 6: Final answer
    x = 81,642.43

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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.