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Finding the Fourth Proportional to 248,863.59, 343,460.91 and 141,449.76

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Solution

The fourth proportional to 248,863.59, 343,460.91 and 141,449.76 is: 195,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,863.59 : 343,460.91 = 141,449.76 : x
  2. Step 2: Convert to fraction form
    248,863.59/343,460.91 = 141,449.76/x
  3. Step 3: Cross multiply
    248,863.59x = 343,460.91 × 141,449.76
  4. Step 4: Simplify right side
    248,863.59x = 48,582,464,273.73
  5. Step 5: Solve for x
    x = 48,582,464,273.73/248,863.59
  6. Step 6: Final answer
    x = 195,217.25

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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.