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Finding the Fourth Proportional to 117,376.80, 175,604.40 and 106,317.60

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Solution

The fourth proportional to 117,376.80, 175,604.40 and 106,317.60 is: 159,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,376.80 : 175,604.40 = 106,317.60 : x
  2. Step 2: Convert to fraction form
    117,376.80/175,604.40 = 106,317.60/x
  3. Step 3: Cross multiply
    117,376.80x = 175,604.40 × 106,317.60
  4. Step 4: Simplify right side
    117,376.80x = 18,669,838,357.44
  5. Step 5: Solve for x
    x = 18,669,838,357.44/117,376.80
  6. Step 6: Final answer
    x = 159,059.02

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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.