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Finding the Fourth Proportional to 248,908.60, 343,514.28 and 141,512.32

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Solution

The fourth proportional to 248,908.60, 343,514.28 and 141,512.32 is: 195,298.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,908.60 : 343,514.28 = 141,512.32 : x
  2. Step 2: Convert to fraction form
    248,908.60/343,514.28 = 141,512.32/x
  3. Step 3: Cross multiply
    248,908.60x = 343,514.28 × 141,512.32
  4. Step 4: Simplify right side
    248,908.60x = 48,611,502,715.93
  5. Step 5: Solve for x
    x = 48,611,502,715.93/248,908.60
  6. Step 6: Final answer
    x = 195,298.61

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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.