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Finding the Fourth Proportional to 111,956.58, 167,934.33 and 45,396.45

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Solution

The fourth proportional to 111,956.58, 167,934.33 and 45,396.45 is: 68,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,956.58 : 167,934.33 = 45,396.45 : x
  2. Step 2: Convert to fraction form
    111,956.58/167,934.33 = 45,396.45/x
  3. Step 3: Cross multiply
    111,956.58x = 167,934.33 × 45,396.45
  4. Step 4: Simplify right side
    111,956.58x = 7,623,622,415.13
  5. Step 5: Solve for x
    x = 7,623,622,415.13/111,956.58
  6. Step 6: Final answer
    x = 68,094.46

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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.