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Finding the Fourth Proportional to 86,704.12, 130,083.95 and 36,826.12

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Solution

The fourth proportional to 86,704.12, 130,083.95 and 36,826.12 is: 55,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,704.12 : 130,083.95 = 36,826.12 : x
  2. Step 2: Convert to fraction form
    86,704.12/130,083.95 = 36,826.12/x
  3. Step 3: Cross multiply
    86,704.12x = 130,083.95 × 36,826.12
  4. Step 4: Simplify right side
    86,704.12x = 4,790,487,152.77
  5. Step 5: Solve for x
    x = 4,790,487,152.77/86,704.12
  6. Step 6: Final answer
    x = 55,250.97

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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.