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Finding the Fourth Proportional to 174,059.89, 261,103.30 and 74,220.71

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Solution

The fourth proportional to 174,059.89, 261,103.30 and 74,220.71 is: 111,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,059.89 : 261,103.30 = 74,220.71 : x
  2. Step 2: Convert to fraction form
    174,059.89/261,103.30 = 74,220.71/x
  3. Step 3: Cross multiply
    174,059.89x = 261,103.30 × 74,220.71
  4. Step 4: Simplify right side
    174,059.89x = 19,379,270,818.27
  5. Step 5: Solve for x
    x = 19,379,270,818.27/174,059.89
  6. Step 6: Final answer
    x = 111,336.80

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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.