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Finding the Fourth Proportional to 161,000.94, 222,177.92 and 89,376.68

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Solution

The fourth proportional to 161,000.94, 222,177.92 and 89,376.68 is: 123,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,000.94 : 222,177.92 = 89,376.68 : x
  2. Step 2: Convert to fraction form
    161,000.94/222,177.92 = 89,376.68/x
  3. Step 3: Cross multiply
    161,000.94x = 222,177.92 × 89,376.68
  4. Step 4: Simplify right side
    161,000.94x = 19,857,524,858.91
  5. Step 5: Solve for x
    x = 19,857,524,858.91/161,000.94
  6. Step 6: Final answer
    x = 123,337.94

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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.