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Finding the Fourth Proportional to 159,863.93, 220,611.20 and 88,243.93

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Solution

The fourth proportional to 159,863.93, 220,611.20 and 88,243.93 is: 121,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,863.93 : 220,611.20 = 88,243.93 : x
  2. Step 2: Convert to fraction form
    159,863.93/220,611.20 = 88,243.93/x
  3. Step 3: Cross multiply
    159,863.93x = 220,611.20 × 88,243.93
  4. Step 4: Simplify right side
    159,863.93x = 19,467,599,124.56
  5. Step 5: Solve for x
    x = 19,467,599,124.56/159,863.93
  6. Step 6: Final answer
    x = 121,776.06

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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.