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Finding the Fourth Proportional to 247,880.93, 342,074.75 and 140,471.42

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Solution

The fourth proportional to 247,880.93, 342,074.75 and 140,471.42 is: 193,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,880.93 : 342,074.75 = 140,471.42 : x
  2. Step 2: Convert to fraction form
    247,880.93/342,074.75 = 140,471.42/x
  3. Step 3: Cross multiply
    247,880.93x = 342,074.75 × 140,471.42
  4. Step 4: Simplify right side
    247,880.93x = 48,051,723,465.91
  5. Step 5: Solve for x
    x = 48,051,723,465.91/247,880.93
  6. Step 6: Final answer
    x = 193,850.02

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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.