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Finding the Fourth Proportional to 117,626.28, 176,420.89 and 97,763.30

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Solution

The fourth proportional to 117,626.28, 176,420.89 and 97,763.30 is: 146,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,626.28 : 176,420.89 = 97,763.30 : x
  2. Step 2: Convert to fraction form
    117,626.28/176,420.89 = 97,763.30/x
  3. Step 3: Cross multiply
    117,626.28x = 176,420.89 × 97,763.30
  4. Step 4: Simplify right side
    117,626.28x = 17,247,488,739.46
  5. Step 5: Solve for x
    x = 17,247,488,739.46/117,626.28
  6. Step 6: Final answer
    x = 146,629.56

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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.