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Finding the Fourth Proportional to 114,636.66, 171,965.92 and 44,521.44

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Solution

The fourth proportional to 114,636.66, 171,965.92 and 44,521.44 is: 66,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,636.66 : 171,965.92 = 44,521.44 : x
  2. Step 2: Convert to fraction form
    114,636.66/171,965.92 = 44,521.44/x
  3. Step 3: Cross multiply
    114,636.66x = 171,965.92 × 44,521.44
  4. Step 4: Simplify right side
    114,636.66x = 7,656,170,389.32
  5. Step 5: Solve for x
    x = 7,656,170,389.32/114,636.66
  6. Step 6: Final answer
    x = 66,786.40

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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.