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Finding the Fourth Proportional to 104,138.67, 156,175.72 and 37,570.15

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Solution

The fourth proportional to 104,138.67, 156,175.72 and 37,570.15 is: 56,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,138.67 : 156,175.72 = 37,570.15 : x
  2. Step 2: Convert to fraction form
    104,138.67/156,175.72 = 37,570.15/x
  3. Step 3: Cross multiply
    104,138.67x = 156,175.72 × 37,570.15
  4. Step 4: Simplify right side
    104,138.67x = 5,867,545,226.76
  5. Step 5: Solve for x
    x = 5,867,545,226.76/104,138.67
  6. Step 6: Final answer
    x = 56,343.58

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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.