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Finding the Fourth Proportional to 202,154.80, 303,232.20 and 113,470.60

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Solution

The fourth proportional to 202,154.80, 303,232.20 and 113,470.60 is: 170,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,154.80 : 303,232.20 = 113,470.60 : x
  2. Step 2: Convert to fraction form
    202,154.80/303,232.20 = 113,470.60/x
  3. Step 3: Cross multiply
    202,154.80x = 303,232.20 × 113,470.60
  4. Step 4: Simplify right side
    202,154.80x = 34,407,939,673.32
  5. Step 5: Solve for x
    x = 34,407,939,673.32/202,154.80
  6. Step 6: Final answer
    x = 170,205.90

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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.