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Finding the Fourth Proportional to 117,615.75, 176,453.60 and 34,509.75

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Solution

The fourth proportional to 117,615.75, 176,453.60 and 34,509.75 is: 51,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,615.75 : 176,453.60 = 34,509.75 : x
  2. Step 2: Convert to fraction form
    117,615.75/176,453.60 = 34,509.75/x
  3. Step 3: Cross multiply
    117,615.75x = 176,453.60 × 34,509.75
  4. Step 4: Simplify right side
    117,615.75x = 6,089,369,622.60
  5. Step 5: Solve for x
    x = 6,089,369,622.60/117,615.75
  6. Step 6: Final answer
    x = 51,773.42

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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.