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Finding the Fourth Proportional to 198,292.88, 273,627.24 and 113,396.24

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Solution

The fourth proportional to 198,292.88, 273,627.24 and 113,396.24 is: 156,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,292.88 : 273,627.24 = 113,396.24 : x
  2. Step 2: Convert to fraction form
    198,292.88/273,627.24 = 113,396.24/x
  3. Step 3: Cross multiply
    198,292.88x = 273,627.24 × 113,396.24
  4. Step 4: Simplify right side
    198,292.88x = 31,028,300,177.58
  5. Step 5: Solve for x
    x = 31,028,300,177.58/198,292.88
  6. Step 6: Final answer
    x = 156,477.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.