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Finding the Fourth Proportional to 267,840.70, 369,624.03 and 146,979.82

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Solution

The fourth proportional to 267,840.70, 369,624.03 and 146,979.82 is: 202,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,840.70 : 369,624.03 = 146,979.82 : x
  2. Step 2: Convert to fraction form
    267,840.70/369,624.03 = 146,979.82/x
  3. Step 3: Cross multiply
    267,840.70x = 369,624.03 × 146,979.82
  4. Step 4: Simplify right side
    267,840.70x = 54,327,273,397.07
  5. Step 5: Solve for x
    x = 54,327,273,397.07/267,840.70
  6. Step 6: Final answer
    x = 202,834.27

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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.