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Finding the Fourth Proportional to 76,120.54, 114,033.11 and 56,093.70

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Solution

The fourth proportional to 76,120.54, 114,033.11 and 56,093.70 is: 84,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,120.54 : 114,033.11 = 56,093.70 : x
  2. Step 2: Convert to fraction form
    76,120.54/114,033.11 = 56,093.70/x
  3. Step 3: Cross multiply
    76,120.54x = 114,033.11 × 56,093.70
  4. Step 4: Simplify right side
    76,120.54x = 6,396,539,062.41
  5. Step 5: Solve for x
    x = 6,396,539,062.41/76,120.54
  6. Step 6: Final answer
    x = 84,031.71

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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.