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Finding the Fourth Proportional to 168,003.40, 252,026.70 and 83,806.60

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Solution

The fourth proportional to 168,003.40, 252,026.70 and 83,806.60 is: 125,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,003.40 : 252,026.70 = 83,806.60 : x
  2. Step 2: Convert to fraction form
    168,003.40/252,026.70 = 83,806.60/x
  3. Step 3: Cross multiply
    168,003.40x = 252,026.70 × 83,806.60
  4. Step 4: Simplify right side
    168,003.40x = 21,121,500,836.22
  5. Step 5: Solve for x
    x = 21,121,500,836.22/168,003.40
  6. Step 6: Final answer
    x = 125,720.67

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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.