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Finding the Fourth Proportional to 202,468.20, 303,702.30 and 91,660.20

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Solution

The fourth proportional to 202,468.20, 303,702.30 and 91,660.20 is: 137,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,468.20 : 303,702.30 = 91,660.20 : x
  2. Step 2: Convert to fraction form
    202,468.20/303,702.30 = 91,660.20/x
  3. Step 3: Cross multiply
    202,468.20x = 303,702.30 × 91,660.20
  4. Step 4: Simplify right side
    202,468.20x = 27,837,413,558.46
  5. Step 5: Solve for x
    x = 27,837,413,558.46/202,468.20
  6. Step 6: Final answer
    x = 137,490.30

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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.