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Finding the Fourth Proportional to 84,697.99, 127,067.94 and 59,786.84

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Solution

The fourth proportional to 84,697.99, 127,067.94 and 59,786.84 is: 89,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,697.99 : 127,067.94 = 59,786.84 : x
  2. Step 2: Convert to fraction form
    84,697.99/127,067.94 = 59,786.84/x
  3. Step 3: Cross multiply
    84,697.99x = 127,067.94 × 59,786.84
  4. Step 4: Simplify right side
    84,697.99x = 7,596,990,915.58
  5. Step 5: Solve for x
    x = 7,596,990,915.58/84,697.99
  6. Step 6: Final answer
    x = 89,695.06

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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.