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Finding the Fourth Proportional to 108,144.70, 162,212.13 and 37,073.64

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Solution

The fourth proportional to 108,144.70, 162,212.13 and 37,073.64 is: 55,608.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,144.70 : 162,212.13 = 37,073.64 : x
  2. Step 2: Convert to fraction form
    108,144.70/162,212.13 = 37,073.64/x
  3. Step 3: Cross multiply
    108,144.70x = 162,212.13 × 37,073.64
  4. Step 4: Simplify right side
    108,144.70x = 6,013,794,111.25
  5. Step 5: Solve for x
    x = 6,013,794,111.25/108,144.70
  6. Step 6: Final answer
    x = 55,608.77

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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.