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Finding the Fourth Proportional to 252,227.94, 348,076.98 and 139,054.74

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Solution

The fourth proportional to 252,227.94, 348,076.98 and 139,054.74 is: 191,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,227.94 : 348,076.98 = 139,054.74 : x
  2. Step 2: Convert to fraction form
    252,227.94/348,076.98 = 139,054.74/x
  3. Step 3: Cross multiply
    252,227.94x = 348,076.98 × 139,054.74
  4. Step 4: Simplify right side
    252,227.94x = 48,401,753,953.89
  5. Step 5: Solve for x
    x = 48,401,753,953.89/252,227.94
  6. Step 6: Final answer
    x = 191,896.88

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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.