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Finding the Fourth Proportional to 270,956.84, 373,844.07 and 156,226.46

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Solution

The fourth proportional to 270,956.84, 373,844.07 and 156,226.46 is: 215,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,956.84 : 373,844.07 = 156,226.46 : x
  2. Step 2: Convert to fraction form
    270,956.84/373,844.07 = 156,226.46/x
  3. Step 3: Cross multiply
    270,956.84x = 373,844.07 × 156,226.46
  4. Step 4: Simplify right side
    270,956.84x = 58,404,333,778.87
  5. Step 5: Solve for x
    x = 58,404,333,778.87/270,956.84
  6. Step 6: Final answer
    x = 215,548.48

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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.