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Finding the Fourth Proportional to 174,782.44, 261,953.61 and 74,824.39

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Solution

The fourth proportional to 174,782.44, 261,953.61 and 74,824.39 is: 112,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,782.44 : 261,953.61 = 74,824.39 : x
  2. Step 2: Convert to fraction form
    174,782.44/261,953.61 = 74,824.39/x
  3. Step 3: Cross multiply
    174,782.44x = 261,953.61 × 74,824.39
  4. Step 4: Simplify right side
    174,782.44x = 19,600,519,076.55
  5. Step 5: Solve for x
    x = 19,600,519,076.55/174,782.44
  6. Step 6: Final answer
    x = 112,142.38

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1.5x scale

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.