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Finding the Fourth Proportional to 118,099.08, 162,991.44 and 67,797

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Solution

The fourth proportional to 118,099.08, 162,991.44 and 67,797 is: 93,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,099.08 : 162,991.44 = 67,797 : x
  2. Step 2: Convert to fraction form
    118,099.08/162,991.44 = 67,797/x
  3. Step 3: Cross multiply
    118,099.08x = 162,991.44 × 67,797
  4. Step 4: Simplify right side
    118,099.08x = 11,050,330,657.68
  5. Step 5: Solve for x
    x = 11,050,330,657.68/118,099.08
  6. Step 6: Final answer
    x = 93,568.30

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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.