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Finding the Fourth Proportional to 161,462.49, 222,818.23 and 89,847.12

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Solution

The fourth proportional to 161,462.49, 222,818.23 and 89,847.12 is: 123,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,462.49 : 222,818.23 = 89,847.12 : x
  2. Step 2: Convert to fraction form
    161,462.49/222,818.23 = 89,847.12/x
  3. Step 3: Cross multiply
    161,462.49x = 222,818.23 × 89,847.12
  4. Step 4: Simplify right side
    161,462.49x = 20,019,576,024.38
  5. Step 5: Solve for x
    x = 20,019,576,024.38/161,462.49
  6. Step 6: Final answer
    x = 123,989.02

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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.