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Finding the Fourth Proportional to 230,363.56, 318,063.80 and 161,599.22

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Solution

The fourth proportional to 230,363.56, 318,063.80 and 161,599.22 is: 223,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,363.56 : 318,063.80 = 161,599.22 : x
  2. Step 2: Convert to fraction form
    230,363.56/318,063.80 = 161,599.22/x
  3. Step 3: Cross multiply
    230,363.56x = 318,063.80 × 161,599.22
  4. Step 4: Simplify right side
    230,363.56x = 51,398,860,803.92
  5. Step 5: Solve for x
    x = 51,398,860,803.92/230,363.56
  6. Step 6: Final answer
    x = 223,120.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.