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Finding the Fourth Proportional to 74,704.47, 103,092.17 and 41,170.47

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Solution

The fourth proportional to 74,704.47, 103,092.17 and 41,170.47 is: 56,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,704.47 : 103,092.17 = 41,170.47 : x
  2. Step 2: Convert to fraction form
    74,704.47/103,092.17 = 41,170.47/x
  3. Step 3: Cross multiply
    74,704.47x = 103,092.17 × 41,170.47
  4. Step 4: Simplify right side
    74,704.47x = 4,244,352,499.77
  5. Step 5: Solve for x
    x = 4,244,352,499.77/74,704.47
  6. Step 6: Final answer
    x = 56,815.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.