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Finding the Fourth Proportional to 161,299.84, 222,598.92 and 89,682.88

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Solution

The fourth proportional to 161,299.84, 222,598.92 and 89,682.88 is: 123,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,299.84 : 222,598.92 = 89,682.88 : x
  2. Step 2: Convert to fraction form
    161,299.84/222,598.92 = 89,682.88/x
  3. Step 3: Cross multiply
    161,299.84x = 222,598.92 × 89,682.88
  4. Step 4: Simplify right side
    161,299.84x = 19,963,312,230.49
  5. Step 5: Solve for x
    x = 19,963,312,230.49/161,299.84
  6. Step 6: Final answer
    x = 123,765.23

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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.