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Finding the Fourth Proportional to 112,171.95, 168,257.99 and 33,285.48

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Solution

The fourth proportional to 112,171.95, 168,257.99 and 33,285.48 is: 49,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,171.95 : 168,257.99 = 33,285.48 : x
  2. Step 2: Convert to fraction form
    112,171.95/168,257.99 = 33,285.48/x
  3. Step 3: Cross multiply
    112,171.95x = 168,257.99 × 33,285.48
  4. Step 4: Simplify right side
    112,171.95x = 5,600,547,794.56
  5. Step 5: Solve for x
    x = 5,600,547,794.56/112,171.95
  6. Step 6: Final answer
    x = 49,928.24

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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.