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Finding the Fourth Proportional to 187,993.84, 259,493.53 and 168,064.80

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Solution

The fourth proportional to 187,993.84, 259,493.53 and 168,064.80 is: 231,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,993.84 : 259,493.53 = 168,064.80 : x
  2. Step 2: Convert to fraction form
    187,993.84/259,493.53 = 168,064.80/x
  3. Step 3: Cross multiply
    187,993.84x = 259,493.53 × 168,064.80
  4. Step 4: Simplify right side
    187,993.84x = 43,611,728,220.74
  5. Step 5: Solve for x
    x = 43,611,728,220.74/187,993.84
  6. Step 6: Final answer
    x = 231,984.88

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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.