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Finding the Fourth Proportional to 115,059.70, 172,519.08 and 44,857

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Solution

The fourth proportional to 115,059.70, 172,519.08 and 44,857 is: 67,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,059.70 : 172,519.08 = 44,857 : x
  2. Step 2: Convert to fraction form
    115,059.70/172,519.08 = 44,857/x
  3. Step 3: Cross multiply
    115,059.70x = 172,519.08 × 44,857
  4. Step 4: Simplify right side
    115,059.70x = 7,738,688,371.56
  5. Step 5: Solve for x
    x = 7,738,688,371.56/115,059.70
  6. Step 6: Final answer
    x = 67,258.03

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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.