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Finding the Fourth Proportional to 251,630.60, 347,210.70 and 144,179.96

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Solution

The fourth proportional to 251,630.60, 347,210.70 and 144,179.96 is: 198,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,630.60 : 347,210.70 = 144,179.96 : x
  2. Step 2: Convert to fraction form
    251,630.60/347,210.70 = 144,179.96/x
  3. Step 3: Cross multiply
    251,630.60x = 347,210.70 × 144,179.96
  4. Step 4: Simplify right side
    251,630.60x = 50,060,824,837.57
  5. Step 5: Solve for x
    x = 50,060,824,837.57/251,630.60
  6. Step 6: Final answer
    x = 198,945.70

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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.