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Finding the Fourth Proportional to 159,994.92, 220,806.66 and 88,382.76

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Solution

The fourth proportional to 159,994.92, 220,806.66 and 88,382.76 is: 121,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,994.92 : 220,806.66 = 88,382.76 : x
  2. Step 2: Convert to fraction form
    159,994.92/220,806.66 = 88,382.76/x
  3. Step 3: Cross multiply
    159,994.92x = 220,806.66 × 88,382.76
  4. Step 4: Simplify right side
    159,994.92x = 19,515,502,037.18
  5. Step 5: Solve for x
    x = 19,515,502,037.18/159,994.92
  6. Step 6: Final answer
    x = 121,975.76

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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.