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Finding the Fourth Proportional to 251,872.51, 347,471.62 and 170,174.39

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Solution

The fourth proportional to 251,872.51, 347,471.62 and 170,174.39 is: 234,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,872.51 : 347,471.62 = 170,174.39 : x
  2. Step 2: Convert to fraction form
    251,872.51/347,471.62 = 170,174.39/x
  3. Step 3: Cross multiply
    251,872.51x = 347,471.62 × 170,174.39
  4. Step 4: Simplify right side
    251,872.51x = 59,130,772,702.04
  5. Step 5: Solve for x
    x = 59,130,772,702.04/251,872.51
  6. Step 6: Final answer
    x = 234,764.69

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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.