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Finding the Fourth Proportional to 202,227.80, 303,572.10 and 119,168.60

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Solution

The fourth proportional to 202,227.80, 303,572.10 and 119,168.60 is: 178,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,227.80 : 303,572.10 = 119,168.60 : x
  2. Step 2: Convert to fraction form
    202,227.80/303,572.10 = 119,168.60/x
  3. Step 3: Cross multiply
    202,227.80x = 303,572.10 × 119,168.60
  4. Step 4: Simplify right side
    202,227.80x = 36,176,262,156.06
  5. Step 5: Solve for x
    x = 36,176,262,156.06/202,227.80
  6. Step 6: Final answer
    x = 178,888.67

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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.