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Finding the Fourth Proportional to 202,468.60, 303,702.90 and 163,102.60

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Solution

The fourth proportional to 202,468.60, 303,702.90 and 163,102.60 is: 244,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,468.60 : 303,702.90 = 163,102.60 : x
  2. Step 2: Convert to fraction form
    202,468.60/303,702.90 = 163,102.60/x
  3. Step 3: Cross multiply
    202,468.60x = 303,702.90 × 163,102.60
  4. Step 4: Simplify right side
    202,468.60x = 49,534,732,617.54
  5. Step 5: Solve for x
    x = 49,534,732,617.54/202,468.60
  6. Step 6: Final answer
    x = 244,653.90

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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.