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Finding the Fourth Proportional to 202,323.80, 303,485.70 and 107,845.40

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Solution

The fourth proportional to 202,323.80, 303,485.70 and 107,845.40 is: 161,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,323.80 : 303,485.70 = 107,845.40 : x
  2. Step 2: Convert to fraction form
    202,323.80/303,485.70 = 107,845.40/x
  3. Step 3: Cross multiply
    202,323.80x = 303,485.70 × 107,845.40
  4. Step 4: Simplify right side
    202,323.80x = 32,729,536,710.78
  5. Step 5: Solve for x
    x = 32,729,536,710.78/202,323.80
  6. Step 6: Final answer
    x = 161,768.10

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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.