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Finding the Fourth Proportional to 80,324.03, 110,850 and 48,486.71

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Solution

The fourth proportional to 80,324.03, 110,850 and 48,486.71 is: 66,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,324.03 : 110,850 = 48,486.71 : x
  2. Step 2: Convert to fraction form
    80,324.03/110,850 = 48,486.71/x
  3. Step 3: Cross multiply
    80,324.03x = 110,850 × 48,486.71
  4. Step 4: Simplify right side
    80,324.03x = 5,374,751,803.50
  5. Step 5: Solve for x
    x = 5,374,751,803.50/80,324.03
  6. Step 6: Final answer
    x = 66,913.37

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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.