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Finding the Fourth Proportional to 122,147.61, 182,950.73 and 93,859.44

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Solution

The fourth proportional to 122,147.61, 182,950.73 and 93,859.44 is: 140,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,147.61 : 182,950.73 = 93,859.44 : x
  2. Step 2: Convert to fraction form
    122,147.61/182,950.73 = 93,859.44/x
  3. Step 3: Cross multiply
    122,147.61x = 182,950.73 × 93,859.44
  4. Step 4: Simplify right side
    122,147.61x = 17,171,653,065.39
  5. Step 5: Solve for x
    x = 17,171,653,065.39/122,147.61
  6. Step 6: Final answer
    x = 140,581.16

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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.