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Finding the Fourth Proportional to 168,243.66, 251,773.04 and 105,093.53

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Solution

The fourth proportional to 168,243.66, 251,773.04 and 105,093.53 is: 157,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,243.66 : 251,773.04 = 105,093.53 : x
  2. Step 2: Convert to fraction form
    168,243.66/251,773.04 = 105,093.53/x
  3. Step 3: Cross multiply
    168,243.66x = 251,773.04 × 105,093.53
  4. Step 4: Simplify right side
    168,243.66x = 26,459,717,532.43
  5. Step 5: Solve for x
    x = 26,459,717,532.43/168,243.66
  6. Step 6: Final answer
    x = 157,270.22

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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.