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Finding the Fourth Proportional to 251,644.63, 347,156.72 and 169,946.35

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Solution

The fourth proportional to 251,644.63, 347,156.72 and 169,946.35 is: 234,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,644.63 : 347,156.72 = 169,946.35 : x
  2. Step 2: Convert to fraction form
    251,644.63/347,156.72 = 169,946.35/x
  3. Step 3: Cross multiply
    251,644.63x = 347,156.72 × 169,946.35
  4. Step 4: Simplify right side
    251,644.63x = 58,998,017,441.97
  5. Step 5: Solve for x
    x = 58,998,017,441.97/251,644.63
  6. Step 6: Final answer
    x = 234,449.74

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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.