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Finding the Fourth Proportional to 202,418.40, 303,627.60 and 163,052.40

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Solution

The fourth proportional to 202,418.40, 303,627.60 and 163,052.40 is: 244,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,418.40 : 303,627.60 = 163,052.40 : x
  2. Step 2: Convert to fraction form
    202,418.40/303,627.60 = 163,052.40/x
  3. Step 3: Cross multiply
    202,418.40x = 303,627.60 × 163,052.40
  4. Step 4: Simplify right side
    202,418.40x = 49,507,208,886.24
  5. Step 5: Solve for x
    x = 49,507,208,886.24/202,418.40
  6. Step 6: Final answer
    x = 244,578.60

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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.