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Finding the Fourth Proportional to 117,704.88, 176,490 and 38,797.92

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Solution

The fourth proportional to 117,704.88, 176,490 and 38,797.92 is: 58,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,704.88 : 176,490 = 38,797.92 : x
  2. Step 2: Convert to fraction form
    117,704.88/176,490 = 38,797.92/x
  3. Step 3: Cross multiply
    117,704.88x = 176,490 × 38,797.92
  4. Step 4: Simplify right side
    117,704.88x = 6,847,444,900.80
  5. Step 5: Solve for x
    x = 6,847,444,900.80/117,704.88
  6. Step 6: Final answer
    x = 58,174.69

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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.