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Finding the Fourth Proportional to 161,132.44, 222,357.80 and 89,510.64

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Solution

The fourth proportional to 161,132.44, 222,357.80 and 89,510.64 is: 123,521.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,132.44 : 222,357.80 = 89,510.64 : x
  2. Step 2: Convert to fraction form
    161,132.44/222,357.80 = 89,510.64/x
  3. Step 3: Cross multiply
    161,132.44x = 222,357.80 × 89,510.64
  4. Step 4: Simplify right side
    161,132.44x = 19,903,388,986.99
  5. Step 5: Solve for x
    x = 19,903,388,986.99/161,132.44
  6. Step 6: Final answer
    x = 123,521.92

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