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Finding the Fourth Proportional to 162,099.92, 243,147.36 and 83,168.60

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Solution

The fourth proportional to 162,099.92, 243,147.36 and 83,168.60 is: 124,751.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,099.92 : 243,147.36 = 83,168.60 : x
  2. Step 2: Convert to fraction form
    162,099.92/243,147.36 = 83,168.60/x
  3. Step 3: Cross multiply
    162,099.92x = 243,147.36 × 83,168.60
  4. Step 4: Simplify right side
    162,099.92x = 20,222,225,524.90
  5. Step 5: Solve for x
    x = 20,222,225,524.90/162,099.92
  6. Step 6: Final answer
    x = 124,751.61

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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.