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Finding the Fourth Proportional to 251,791.76, 347,459.08 and 144,356.56

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Solution

The fourth proportional to 251,791.76, 347,459.08 and 144,356.56 is: 199,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,791.76 : 347,459.08 = 144,356.56 : x
  2. Step 2: Convert to fraction form
    251,791.76/347,459.08 = 144,356.56/x
  3. Step 3: Cross multiply
    251,791.76x = 347,459.08 × 144,356.56
  4. Step 4: Simplify right side
    251,791.76x = 50,157,997,529.56
  5. Step 5: Solve for x
    x = 50,157,997,529.56/251,791.76
  6. Step 6: Final answer
    x = 199,204.29

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1.5x scale

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.