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Finding the Fourth Proportional to 197,856.16, 273,041.50 and 107,211.39

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Solution

The fourth proportional to 197,856.16, 273,041.50 and 107,211.39 is: 147,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,856.16 : 273,041.50 = 107,211.39 : x
  2. Step 2: Convert to fraction form
    197,856.16/273,041.50 = 107,211.39/x
  3. Step 3: Cross multiply
    197,856.16x = 273,041.50 × 107,211.39
  4. Step 4: Simplify right side
    197,856.16x = 29,273,158,742.69
  5. Step 5: Solve for x
    x = 29,273,158,742.69/197,856.16
  6. Step 6: Final answer
    x = 147,951.72

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