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Finding the Fourth Proportional to 203,199.68, 282,104.72 and 197,117.12

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Solution

The fourth proportional to 203,199.68, 282,104.72 and 197,117.12 is: 273,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,199.68 : 282,104.72 = 197,117.12 : x
  2. Step 2: Convert to fraction form
    203,199.68/282,104.72 = 197,117.12/x
  3. Step 3: Cross multiply
    203,199.68x = 282,104.72 × 197,117.12
  4. Step 4: Simplify right side
    203,199.68x = 55,607,669,944.81
  5. Step 5: Solve for x
    x = 55,607,669,944.81/203,199.68
  6. Step 6: Final answer
    x = 273,660.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.