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Finding the Fourth Proportional to 111,045.06, 166,568.13 and 88,754.13

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Solution

The fourth proportional to 111,045.06, 166,568.13 and 88,754.13 is: 133,131.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,045.06 : 166,568.13 = 88,754.13 : x
  2. Step 2: Convert to fraction form
    111,045.06/166,568.13 = 88,754.13/x
  3. Step 3: Cross multiply
    111,045.06x = 166,568.13 × 88,754.13
  4. Step 4: Simplify right side
    111,045.06x = 14,783,609,463.88
  5. Step 5: Solve for x
    x = 14,783,609,463.88/111,045.06
  6. Step 6: Final answer
    x = 133,131.63

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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.