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Finding the Fourth Proportional to 362,380.48, 543,570.72 and 113,081.92

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Solution

The fourth proportional to 362,380.48, 543,570.72 and 113,081.92 is: 169,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,380.48 : 543,570.72 = 113,081.92 : x
  2. Step 2: Convert to fraction form
    362,380.48/543,570.72 = 113,081.92/x
  3. Step 3: Cross multiply
    362,380.48x = 543,570.72 × 113,081.92
  4. Step 4: Simplify right side
    362,380.48x = 61,468,020,673.38
  5. Step 5: Solve for x
    x = 61,468,020,673.38/362,380.48
  6. Step 6: Final answer
    x = 169,622.88

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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.