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Finding the Fourth Proportional to 362,145.57, 543,276.69 and 112,769.25

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Solution

The fourth proportional to 362,145.57, 543,276.69 and 112,769.25 is: 169,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,145.57 : 543,276.69 = 112,769.25 : x
  2. Step 2: Convert to fraction form
    362,145.57/543,276.69 = 112,769.25/x
  3. Step 3: Cross multiply
    362,145.57x = 543,276.69 × 112,769.25
  4. Step 4: Simplify right side
    362,145.57x = 61,264,904,873.78
  5. Step 5: Solve for x
    x = 61,264,904,873.78/362,145.57
  6. Step 6: Final answer
    x = 169,172.04

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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.