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Finding the Fourth Proportional to 267,531.67, 369,183.90 and 146,670.31

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Solution

The fourth proportional to 267,531.67, 369,183.90 and 146,670.31 is: 202,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,531.67 : 369,183.90 = 146,670.31 : x
  2. Step 2: Convert to fraction form
    267,531.67/369,183.90 = 146,670.31/x
  3. Step 3: Cross multiply
    267,531.67x = 369,183.90 × 146,670.31
  4. Step 4: Simplify right side
    267,531.67x = 54,148,318,071.50
  5. Step 5: Solve for x
    x = 54,148,318,071.50/267,531.67
  6. Step 6: Final answer
    x = 202,399.66

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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.