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Finding the Fourth Proportional to 103,967.85, 155,950.34 and 25,081.41

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Solution

The fourth proportional to 103,967.85, 155,950.34 and 25,081.41 is: 37,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,967.85 : 155,950.34 = 25,081.41 : x
  2. Step 2: Convert to fraction form
    103,967.85/155,950.34 = 25,081.41/x
  3. Step 3: Cross multiply
    103,967.85x = 155,950.34 × 25,081.41
  4. Step 4: Simplify right side
    103,967.85x = 3,911,454,291.77
  5. Step 5: Solve for x
    x = 3,911,454,291.77/103,967.85
  6. Step 6: Final answer
    x = 37,621.77

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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.