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Finding the Fourth Proportional to 168,242.66, 251,771.54 and 105,092.53

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Solution

The fourth proportional to 168,242.66, 251,771.54 and 105,092.53 is: 157,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,242.66 : 251,771.54 = 105,092.53 : x
  2. Step 2: Convert to fraction form
    168,242.66/251,771.54 = 105,092.53/x
  3. Step 3: Cross multiply
    168,242.66x = 251,771.54 × 105,092.53
  4. Step 4: Simplify right side
    168,242.66x = 26,459,307,202.80
  5. Step 5: Solve for x
    x = 26,459,307,202.80/168,242.66
  6. Step 6: Final answer
    x = 157,268.71

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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.