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Finding the Fourth Proportional to 108,608.30, 162,912.45 and 73,357.10

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Solution

The fourth proportional to 108,608.30, 162,912.45 and 73,357.10 is: 110,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,608.30 : 162,912.45 = 73,357.10 : x
  2. Step 2: Convert to fraction form
    108,608.30/162,912.45 = 73,357.10/x
  3. Step 3: Cross multiply
    108,608.30x = 162,912.45 × 73,357.10
  4. Step 4: Simplify right side
    108,608.30x = 11,950,784,885.90
  5. Step 5: Solve for x
    x = 11,950,784,885.90/108,608.30
  6. Step 6: Final answer
    x = 110,035.65

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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.