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Finding the Fourth Proportional to 251,461.56, 347,160.42 and 166,693.44

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Solution

The fourth proportional to 251,461.56, 347,160.42 and 166,693.44 is: 230,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,461.56 : 347,160.42 = 166,693.44 : x
  2. Step 2: Convert to fraction form
    251,461.56/347,160.42 = 166,693.44/x
  3. Step 3: Cross multiply
    251,461.56x = 347,160.42 × 166,693.44
  4. Step 4: Simplify right side
    251,461.56x = 57,869,364,641.64
  5. Step 5: Solve for x
    x = 57,869,364,641.64/251,461.56
  6. Step 6: Final answer
    x = 230,132.05

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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.