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Finding the Fourth Proportional to 197,866.68, 273,015.72 and 117,258.72

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Solution

The fourth proportional to 197,866.68, 273,015.72 and 117,258.72 is: 161,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,866.68 : 273,015.72 = 117,258.72 : x
  2. Step 2: Convert to fraction form
    197,866.68/273,015.72 = 117,258.72/x
  3. Step 3: Cross multiply
    197,866.68x = 273,015.72 × 117,258.72
  4. Step 4: Simplify right side
    197,866.68x = 32,013,473,867.08
  5. Step 5: Solve for x
    x = 32,013,473,867.08/197,866.68
  6. Step 6: Final answer
    x = 161,793.15

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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.