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Finding the Fourth Proportional to 362,348.67, 543,541.92 and 109,622.79

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Solution

The fourth proportional to 362,348.67, 543,541.92 and 109,622.79 is: 164,439.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,348.67 : 543,541.92 = 109,622.79 : x
  2. Step 2: Convert to fraction form
    362,348.67/543,541.92 = 109,622.79/x
  3. Step 3: Cross multiply
    362,348.67x = 543,541.92 × 109,622.79
  4. Step 4: Simplify right side
    362,348.67x = 59,584,581,752.36
  5. Step 5: Solve for x
    x = 59,584,581,752.36/362,348.67
  6. Step 6: Final answer
    x = 164,439.91

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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.