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Finding the Fourth Proportional to 159,600.93, 220,250.82 and 87,983.54

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Solution

The fourth proportional to 159,600.93, 220,250.82 and 87,983.54 is: 121,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,600.93 : 220,250.82 = 87,983.54 : x
  2. Step 2: Convert to fraction form
    159,600.93/220,250.82 = 87,983.54/x
  3. Step 3: Cross multiply
    159,600.93x = 220,250.82 × 87,983.54
  4. Step 4: Simplify right side
    159,600.93x = 19,378,445,730.25
  5. Step 5: Solve for x
    x = 19,378,445,730.25/159,600.93
  6. Step 6: Final answer
    x = 121,418.13

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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.