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Finding the Fourth Proportional to 161,060.70, 222,264.13 and 89,440.73

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Solution

The fourth proportional to 161,060.70, 222,264.13 and 89,440.73 is: 123,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,060.70 : 222,264.13 = 89,440.73 : x
  2. Step 2: Convert to fraction form
    161,060.70/222,264.13 = 89,440.73/x
  3. Step 3: Cross multiply
    161,060.70x = 222,264.13 × 89,440.73
  4. Step 4: Simplify right side
    161,060.70x = 19,879,464,673.33
  5. Step 5: Solve for x
    x = 19,879,464,673.33/161,060.70
  6. Step 6: Final answer
    x = 123,428.40

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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.