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Finding the Fourth Proportional to 202,168.60, 278,992.67 and 111,524.77

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Solution

The fourth proportional to 202,168.60, 278,992.67 and 111,524.77 is: 153,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,168.60 : 278,992.67 = 111,524.77 : x
  2. Step 2: Convert to fraction form
    202,168.60/278,992.67 = 111,524.77/x
  3. Step 3: Cross multiply
    202,168.60x = 278,992.67 × 111,524.77
  4. Step 4: Simplify right side
    202,168.60x = 31,114,594,086.05
  5. Step 5: Solve for x
    x = 31,114,594,086.05/202,168.60
  6. Step 6: Final answer
    x = 153,904.19

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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.