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Finding the Fourth Proportional to 258,487.73, 356,660.26 and 151,037

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Solution

The fourth proportional to 258,487.73, 356,660.26 and 151,037 is: 208,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,487.73 : 356,660.26 = 151,037 : x
  2. Step 2: Convert to fraction form
    258,487.73/356,660.26 = 151,037/x
  3. Step 3: Cross multiply
    258,487.73x = 356,660.26 × 151,037
  4. Step 4: Simplify right side
    258,487.73x = 53,868,895,689.62
  5. Step 5: Solve for x
    x = 53,868,895,689.62/258,487.73
  6. Step 6: Final answer
    x = 208,400.20

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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.