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Finding the Fourth Proportional to 283,366.56, 391,057.92 and 162,541.92

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Solution

The fourth proportional to 283,366.56, 391,057.92 and 162,541.92 is: 224,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,366.56 : 391,057.92 = 162,541.92 : x
  2. Step 2: Convert to fraction form
    283,366.56/391,057.92 = 162,541.92/x
  3. Step 3: Cross multiply
    283,366.56x = 391,057.92 × 162,541.92
  4. Step 4: Simplify right side
    283,366.56x = 63,563,305,148.01
  5. Step 5: Solve for x
    x = 63,563,305,148.01/283,366.56
  6. Step 6: Final answer
    x = 224,314.77

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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.