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Finding the Fourth Proportional to 202,209.20, 303,328.20 and 61,967.60

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Solution

The fourth proportional to 202,209.20, 303,328.20 and 61,967.60 is: 92,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,209.20 : 303,328.20 = 61,967.60 : x
  2. Step 2: Convert to fraction form
    202,209.20/303,328.20 = 61,967.60/x
  3. Step 3: Cross multiply
    202,209.20x = 303,328.20 × 61,967.60
  4. Step 4: Simplify right side
    202,209.20x = 18,796,520,566.32
  5. Step 5: Solve for x
    x = 18,796,520,566.32/202,209.20
  6. Step 6: Final answer
    x = 92,955.81

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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.