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Finding the Fourth Proportional to 161,576.22, 222,984.02 and 89,954.67

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Solution

The fourth proportional to 161,576.22, 222,984.02 and 89,954.67 is: 124,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,576.22 : 222,984.02 = 89,954.67 : x
  2. Step 2: Convert to fraction form
    161,576.22/222,984.02 = 89,954.67/x
  3. Step 3: Cross multiply
    161,576.22x = 222,984.02 × 89,954.67
  4. Step 4: Simplify right side
    161,576.22x = 20,058,453,934.37
  5. Step 5: Solve for x
    x = 20,058,453,934.37/161,576.22
  6. Step 6: Final answer
    x = 124,142.36

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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.