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Finding the Fourth Proportional to 202,296.80, 303,445.20 and 131,333.60

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Solution

The fourth proportional to 202,296.80, 303,445.20 and 131,333.60 is: 197,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,296.80 : 303,445.20 = 131,333.60 : x
  2. Step 2: Convert to fraction form
    202,296.80/303,445.20 = 131,333.60/x
  3. Step 3: Cross multiply
    202,296.80x = 303,445.20 × 131,333.60
  4. Step 4: Simplify right side
    202,296.80x = 39,852,550,518.72
  5. Step 5: Solve for x
    x = 39,852,550,518.72/202,296.80
  6. Step 6: Final answer
    x = 197,000.40

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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.