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Finding the Fourth Proportional to 197,873.72, 273,065.10 and 107,230.04

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Solution

The fourth proportional to 197,873.72, 273,065.10 and 107,230.04 is: 147,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,873.72 : 273,065.10 = 107,230.04 : x
  2. Step 2: Convert to fraction form
    197,873.72/273,065.10 = 107,230.04/x
  3. Step 3: Cross multiply
    197,873.72x = 273,065.10 × 107,230.04
  4. Step 4: Simplify right side
    197,873.72x = 29,280,781,595.60
  5. Step 5: Solve for x
    x = 29,280,781,595.60/197,873.72
  6. Step 6: Final answer
    x = 147,977.11

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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.