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Finding the Fourth Proportional to 162,105.75, 223,731.87 and 95,037.75

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Solution

The fourth proportional to 162,105.75, 223,731.87 and 95,037.75 is: 131,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,105.75 : 223,731.87 = 95,037.75 : x
  2. Step 2: Convert to fraction form
    162,105.75/223,731.87 = 95,037.75/x
  3. Step 3: Cross multiply
    162,105.75x = 223,731.87 × 95,037.75
  4. Step 4: Simplify right side
    162,105.75x = 21,262,973,528.09
  5. Step 5: Solve for x
    x = 21,262,973,528.09/162,105.75
  6. Step 6: Final answer
    x = 131,167.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.