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Finding the Fourth Proportional to 202,216.96, 303,326.70 and 89,870.80

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Solution

The fourth proportional to 202,216.96, 303,326.70 and 89,870.80 is: 134,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,216.96 : 303,326.70 = 89,870.80 : x
  2. Step 2: Convert to fraction form
    202,216.96/303,326.70 = 89,870.80/x
  3. Step 3: Cross multiply
    202,216.96x = 303,326.70 × 89,870.80
  4. Step 4: Simplify right side
    202,216.96x = 27,260,213,190.36
  5. Step 5: Solve for x
    x = 27,260,213,190.36/202,216.96
  6. Step 6: Final answer
    x = 134,806.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.