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Finding the Fourth Proportional to 202,026.80, 303,040.20 and 89,706.80

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Solution

The fourth proportional to 202,026.80, 303,040.20 and 89,706.80 is: 134,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,026.80 : 303,040.20 = 89,706.80 : x
  2. Step 2: Convert to fraction form
    202,026.80/303,040.20 = 89,706.80/x
  3. Step 3: Cross multiply
    202,026.80x = 303,040.20 × 89,706.80
  4. Step 4: Simplify right side
    202,026.80x = 27,184,766,613.36
  5. Step 5: Solve for x
    x = 27,184,766,613.36/202,026.80
  6. Step 6: Final answer
    x = 134,560.20

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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.