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Finding the Fourth Proportional to 108,522.40, 162,576.24 and 67,050.40

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Solution

The fourth proportional to 108,522.40, 162,576.24 and 67,050.40 is: 100,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,522.40 : 162,576.24 = 67,050.40 : x
  2. Step 2: Convert to fraction form
    108,522.40/162,576.24 = 67,050.40/x
  3. Step 3: Cross multiply
    108,522.40x = 162,576.24 × 67,050.40
  4. Step 4: Simplify right side
    108,522.40x = 10,900,801,922.50
  5. Step 5: Solve for x
    x = 10,900,801,922.50/108,522.40
  6. Step 6: Final answer
    x = 100,447.48

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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.