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Finding the Fourth Proportional to 161,088, 222,304.44 and 89,474.64

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Solution

The fourth proportional to 161,088, 222,304.44 and 89,474.64 is: 123,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,088 : 222,304.44 = 89,474.64 : x
  2. Step 2: Convert to fraction form
    161,088/222,304.44 = 89,474.64/x
  3. Step 3: Cross multiply
    161,088x = 222,304.44 × 89,474.64
  4. Step 4: Simplify right side
    161,088x = 19,890,609,739.40
  5. Step 5: Solve for x
    x = 19,890,609,739.40/161,088
  6. Step 6: Final answer
    x = 123,476.67

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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.