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Finding the Fourth Proportional to 159,201.48, 219,573.67 and 98,738.22

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Solution

The fourth proportional to 159,201.48, 219,573.67 and 98,738.22 is: 136,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,201.48 : 219,573.67 = 98,738.22 : x
  2. Step 2: Convert to fraction form
    159,201.48/219,573.67 = 98,738.22/x
  3. Step 3: Cross multiply
    159,201.48x = 219,573.67 × 98,738.22
  4. Step 4: Simplify right side
    159,201.48x = 21,680,313,883.60
  5. Step 5: Solve for x
    x = 21,680,313,883.60/159,201.48
  6. Step 6: Final answer
    x = 136,181.61

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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.