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Finding the Fourth Proportional to 230,093.98, 345,141.21 and 72,336.22

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Solution

The fourth proportional to 230,093.98, 345,141.21 and 72,336.22 is: 108,504.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,093.98 : 345,141.21 = 72,336.22 : x
  2. Step 2: Convert to fraction form
    230,093.98/345,141.21 = 72,336.22/x
  3. Step 3: Cross multiply
    230,093.98x = 345,141.21 × 72,336.22
  4. Step 4: Simplify right side
    230,093.98x = 24,966,210,497.63
  5. Step 5: Solve for x
    x = 24,966,210,497.63/230,093.98
  6. Step 6: Final answer
    x = 108,504.41

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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.