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Finding the Fourth Proportional to 248,161.88, 342,524.22 and 140,794.76

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Solution

The fourth proportional to 248,161.88, 342,524.22 and 140,794.76 is: 194,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,161.88 : 342,524.22 = 140,794.76 : x
  2. Step 2: Convert to fraction form
    248,161.88/342,524.22 = 140,794.76/x
  3. Step 3: Cross multiply
    248,161.88x = 342,524.22 × 140,794.76
  4. Step 4: Simplify right side
    248,161.88x = 48,225,615,349.09
  5. Step 5: Solve for x
    x = 48,225,615,349.09/248,161.88
  6. Step 6: Final answer
    x = 194,331.28

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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.