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Finding the Fourth Proportional to 110,782.50, 152,880.39 and 60,481.50

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Solution

The fourth proportional to 110,782.50, 152,880.39 and 60,481.50 is: 83,464.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,782.50 : 152,880.39 = 60,481.50 : x
  2. Step 2: Convert to fraction form
    110,782.50/152,880.39 = 60,481.50/x
  3. Step 3: Cross multiply
    110,782.50x = 152,880.39 × 60,481.50
  4. Step 4: Simplify right side
    110,782.50x = 9,246,435,307.79
  5. Step 5: Solve for x
    x = 9,246,435,307.79/110,782.50
  6. Step 6: Final answer
    x = 83,464.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.