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Finding the Fourth Proportional to 230,141.63, 345,224.74 and 72,382.38

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Solution

The fourth proportional to 230,141.63, 345,224.74 and 72,382.38 is: 108,577.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,141.63 : 345,224.74 = 72,382.38 : x
  2. Step 2: Convert to fraction form
    230,141.63/345,224.74 = 72,382.38/x
  3. Step 3: Cross multiply
    230,141.63x = 345,224.74 × 72,382.38
  4. Step 4: Simplify right side
    230,141.63x = 24,988,188,270.84
  5. Step 5: Solve for x
    x = 24,988,188,270.84/230,141.63
  6. Step 6: Final answer
    x = 108,577.44

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1.5x scale

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.