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Finding the Fourth Proportional to 247,223.56, 341,165.22 and 134,043.88

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Solution

The fourth proportional to 247,223.56, 341,165.22 and 134,043.88 is: 184,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,223.56 : 341,165.22 = 134,043.88 : x
  2. Step 2: Convert to fraction form
    247,223.56/341,165.22 = 134,043.88/x
  3. Step 3: Cross multiply
    247,223.56x = 341,165.22 × 134,043.88
  4. Step 4: Simplify right side
    247,223.56x = 45,731,109,809.85
  5. Step 5: Solve for x
    x = 45,731,109,809.85/247,223.56
  6. Step 6: Final answer
    x = 184,978.77

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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.