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Finding the Fourth Proportional to 108,190.68, 162,269.60 and 38,053.60

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Solution

The fourth proportional to 108,190.68, 162,269.60 and 38,053.60 is: 57,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,190.68 : 162,269.60 = 38,053.60 : x
  2. Step 2: Convert to fraction form
    108,190.68/162,269.60 = 38,053.60/x
  3. Step 3: Cross multiply
    108,190.68x = 162,269.60 × 38,053.60
  4. Step 4: Simplify right side
    108,190.68x = 6,174,942,450.56
  5. Step 5: Solve for x
    x = 6,174,942,450.56/108,190.68
  6. Step 6: Final answer
    x = 57,074.62

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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.