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Finding the Fourth Proportional to 76,081.92, 114,117.12 and 23,504.64

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Solution

The fourth proportional to 76,081.92, 114,117.12 and 23,504.64 is: 35,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,081.92 : 114,117.12 = 23,504.64 : x
  2. Step 2: Convert to fraction form
    76,081.92/114,117.12 = 23,504.64/x
  3. Step 3: Cross multiply
    76,081.92x = 114,117.12 × 23,504.64
  4. Step 4: Simplify right side
    76,081.92x = 2,682,281,823.44
  5. Step 5: Solve for x
    x = 2,682,281,823.44/76,081.92
  6. Step 6: Final answer
    x = 35,255.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.