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Finding the Fourth Proportional to 247,935.64, 342,151.16 and 147,333.64

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Solution

The fourth proportional to 247,935.64, 342,151.16 and 147,333.64 is: 203,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,935.64 : 342,151.16 = 147,333.64 : x
  2. Step 2: Convert to fraction form
    247,935.64/342,151.16 = 147,333.64/x
  3. Step 3: Cross multiply
    247,935.64x = 342,151.16 × 147,333.64
  4. Step 4: Simplify right side
    247,935.64x = 50,410,375,096.35
  5. Step 5: Solve for x
    x = 50,410,375,096.35/247,935.64
  6. Step 6: Final answer
    x = 203,320.41

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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.