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Finding the Fourth Proportional to 117,291.74, 175,937.07 and 28,544.90

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Solution

The fourth proportional to 117,291.74, 175,937.07 and 28,544.90 is: 42,817.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,291.74 : 175,937.07 = 28,544.90 : x
  2. Step 2: Convert to fraction form
    117,291.74/175,937.07 = 28,544.90/x
  3. Step 3: Cross multiply
    117,291.74x = 175,937.07 × 28,544.90
  4. Step 4: Simplify right side
    117,291.74x = 5,022,106,069.44
  5. Step 5: Solve for x
    x = 5,022,106,069.44/117,291.74
  6. Step 6: Final answer
    x = 42,817.22

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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.