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Finding the Fourth Proportional to 351,956.96, 527,935.14 and 127,264.70

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Solution

The fourth proportional to 351,956.96, 527,935.14 and 127,264.70 is: 190,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,956.96 : 527,935.14 = 127,264.70 : x
  2. Step 2: Convert to fraction form
    351,956.96/527,935.14 = 127,264.70/x
  3. Step 3: Cross multiply
    351,956.96x = 527,935.14 × 127,264.70
  4. Step 4: Simplify right side
    351,956.96x = 67,187,507,211.56
  5. Step 5: Solve for x
    x = 67,187,507,211.56/351,956.96
  6. Step 6: Final answer
    x = 190,896.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.