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Finding the Fourth Proportional to 247,181.96, 340,865.46 and 186,074.48

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Solution

The fourth proportional to 247,181.96, 340,865.46 and 186,074.48 is: 256,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,181.96 : 340,865.46 = 186,074.48 : x
  2. Step 2: Convert to fraction form
    247,181.96/340,865.46 = 186,074.48/x
  3. Step 3: Cross multiply
    247,181.96x = 340,865.46 × 186,074.48
  4. Step 4: Simplify right side
    247,181.96x = 63,426,363,219.46
  5. Step 5: Solve for x
    x = 63,426,363,219.46/247,181.96
  6. Step 6: Final answer
    x = 256,597.87

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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.