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Finding the Fourth Proportional to 202,323.40, 303,485.10 and 75,963.40

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Solution

The fourth proportional to 202,323.40, 303,485.10 and 75,963.40 is: 113,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,323.40 : 303,485.10 = 75,963.40 : x
  2. Step 2: Convert to fraction form
    202,323.40/303,485.10 = 75,963.40/x
  3. Step 3: Cross multiply
    202,323.40x = 303,485.10 × 75,963.40
  4. Step 4: Simplify right side
    202,323.40x = 23,053,760,045.34
  5. Step 5: Solve for x
    x = 23,053,760,045.34/202,323.40
  6. Step 6: Final answer
    x = 113,945.10

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Similar ratio
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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.