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Finding the Fourth Proportional to 117,590.17, 176,388.60 and 28,843.60

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Solution

The fourth proportional to 117,590.17, 176,388.60 and 28,843.60 is: 43,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,590.17 : 176,388.60 = 28,843.60 : x
  2. Step 2: Convert to fraction form
    117,590.17/176,388.60 = 28,843.60/x
  3. Step 3: Cross multiply
    117,590.17x = 176,388.60 × 28,843.60
  4. Step 4: Simplify right side
    117,590.17x = 5,087,682,222.96
  5. Step 5: Solve for x
    x = 5,087,682,222.96/117,590.17
  6. Step 6: Final answer
    x = 43,266.22

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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.