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Finding the Fourth Proportional to 161,559.41, 222,918.25 and 93,551.91

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Solution

The fourth proportional to 161,559.41, 222,918.25 and 93,551.91 is: 129,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,559.41 : 222,918.25 = 93,551.91 : x
  2. Step 2: Convert to fraction form
    161,559.41/222,918.25 = 93,551.91/x
  3. Step 3: Cross multiply
    161,559.41x = 222,918.25 × 93,551.91
  4. Step 4: Simplify right side
    161,559.41x = 20,854,428,683.97
  5. Step 5: Solve for x
    x = 20,854,428,683.97/161,559.41
  6. Step 6: Final answer
    x = 129,082.10

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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.