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Finding the Fourth Proportional to 117,076.26, 175,614.41 and 28,329.77

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Solution

The fourth proportional to 117,076.26, 175,614.41 and 28,329.77 is: 42,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,076.26 : 175,614.41 = 28,329.77 : x
  2. Step 2: Convert to fraction form
    117,076.26/175,614.41 = 28,329.77/x
  3. Step 3: Cross multiply
    117,076.26x = 175,614.41 × 28,329.77
  4. Step 4: Simplify right side
    117,076.26x = 4,975,114,824.26
  5. Step 5: Solve for x
    x = 4,975,114,824.26/117,076.26
  6. Step 6: Final answer
    x = 42,494.65

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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.