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Finding the Fourth Proportional to 187,885.66, 259,272.42 and 107,297.44

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Solution

The fourth proportional to 187,885.66, 259,272.42 and 107,297.44 is: 148,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,885.66 : 259,272.42 = 107,297.44 : x
  2. Step 2: Convert to fraction form
    187,885.66/259,272.42 = 107,297.44/x
  3. Step 3: Cross multiply
    187,885.66x = 259,272.42 × 107,297.44
  4. Step 4: Simplify right side
    187,885.66x = 27,819,266,928.60
  5. Step 5: Solve for x
    x = 27,819,266,928.60/187,885.66
  6. Step 6: Final answer
    x = 148,064.88

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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.