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Finding the Fourth Proportional to 161,245.50, 222,536.82 and 97,618.38

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Solution

The fourth proportional to 161,245.50, 222,536.82 and 97,618.38 is: 134,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,245.50 : 222,536.82 = 97,618.38 : x
  2. Step 2: Convert to fraction form
    161,245.50/222,536.82 = 97,618.38/x
  3. Step 3: Cross multiply
    161,245.50x = 222,536.82 × 97,618.38
  4. Step 4: Simplify right side
    161,245.50x = 21,723,683,858.75
  5. Step 5: Solve for x
    x = 21,723,683,858.75/161,245.50
  6. Step 6: Final answer
    x = 134,724.28

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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.