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Finding the Fourth Proportional to 112,081.92, 168,108.48 and 33,194.40

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Solution

The fourth proportional to 112,081.92, 168,108.48 and 33,194.40 is: 49,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,081.92 : 168,108.48 = 33,194.40 : x
  2. Step 2: Convert to fraction form
    112,081.92/168,108.48 = 33,194.40/x
  3. Step 3: Cross multiply
    112,081.92x = 168,108.48 × 33,194.40
  4. Step 4: Simplify right side
    112,081.92x = 5,580,260,128.51
  5. Step 5: Solve for x
    x = 5,580,260,128.51/112,081.92
  6. Step 6: Final answer
    x = 49,787.34

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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.