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Finding the Fourth Proportional to 86,833.87, 130,175.92 and 33,563.23

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Solution

The fourth proportional to 86,833.87, 130,175.92 and 33,563.23 is: 50,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,833.87 : 130,175.92 = 33,563.23 : x
  2. Step 2: Convert to fraction form
    86,833.87/130,175.92 = 33,563.23/x
  3. Step 3: Cross multiply
    86,833.87x = 130,175.92 × 33,563.23
  4. Step 4: Simplify right side
    86,833.87x = 4,369,124,059.94
  5. Step 5: Solve for x
    x = 4,369,124,059.94/86,833.87
  6. Step 6: Final answer
    x = 50,315.90

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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.