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Finding the Fourth Proportional to 247,891.72, 342,094.26 and 134,714.56

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Solution

The fourth proportional to 247,891.72, 342,094.26 and 134,714.56 is: 185,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,891.72 : 342,094.26 = 134,714.56 : x
  2. Step 2: Convert to fraction form
    247,891.72/342,094.26 = 134,714.56/x
  3. Step 3: Cross multiply
    247,891.72x = 342,094.26 × 134,714.56
  4. Step 4: Simplify right side
    247,891.72x = 46,085,077,714.43
  5. Step 5: Solve for x
    x = 46,085,077,714.43/247,891.72
  6. Step 6: Final answer
    x = 185,908.10

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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.