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Finding the Fourth Proportional to 161,099.73, 222,311.44 and 89,484.32

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Solution

The fourth proportional to 161,099.73, 222,311.44 and 89,484.32 is: 123,484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,099.73 : 222,311.44 = 89,484.32 : x
  2. Step 2: Convert to fraction form
    161,099.73/222,311.44 = 89,484.32/x
  3. Step 3: Cross multiply
    161,099.73x = 222,311.44 × 89,484.32
  4. Step 4: Simplify right side
    161,099.73x = 19,893,388,036.62
  5. Step 5: Solve for x
    x = 19,893,388,036.62/161,099.73
  6. Step 6: Final answer
    x = 123,484.92

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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.