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Finding the Fourth Proportional to 112,099.38, 168,112.48 and 37,199.40

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Solution

The fourth proportional to 112,099.38, 168,112.48 and 37,199.40 is: 55,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,099.38 : 168,112.48 = 37,199.40 : x
  2. Step 2: Convert to fraction form
    112,099.38/168,112.48 = 37,199.40/x
  3. Step 3: Cross multiply
    112,099.38x = 168,112.48 × 37,199.40
  4. Step 4: Simplify right side
    112,099.38x = 6,253,683,388.51
  5. Step 5: Solve for x
    x = 6,253,683,388.51/112,099.38
  6. Step 6: Final answer
    x = 55,786.96

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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.