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Finding the Fourth Proportional to 198,295.66, 273,648.16 and 107,651.64

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Solution

The fourth proportional to 198,295.66, 273,648.16 and 107,651.64 is: 148,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,295.66 : 273,648.16 = 107,651.64 : x
  2. Step 2: Convert to fraction form
    198,295.66/273,648.16 = 107,651.64/x
  3. Step 3: Cross multiply
    198,295.66x = 273,648.16 × 107,651.64
  4. Step 4: Simplify right side
    198,295.66x = 29,458,673,206.98
  5. Step 5: Solve for x
    x = 29,458,673,206.98/198,295.66
  6. Step 6: Final answer
    x = 148,559.34

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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.