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Finding the Fourth Proportional to 108,121.60, 162,207.69 and 37,045

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Solution

The fourth proportional to 108,121.60, 162,207.69 and 37,045 is: 55,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,121.60 : 162,207.69 = 37,045 : x
  2. Step 2: Convert to fraction form
    108,121.60/162,207.69 = 37,045/x
  3. Step 3: Cross multiply
    108,121.60x = 162,207.69 × 37,045
  4. Step 4: Simplify right side
    108,121.60x = 6,008,983,876.05
  5. Step 5: Solve for x
    x = 6,008,983,876.05/108,121.60
  6. Step 6: Final answer
    x = 55,576.16

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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.