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Finding the Fourth Proportional to 174,211.60, 261,511.80 and 162,790.60

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Solution

The fourth proportional to 174,211.60, 261,511.80 and 162,790.60 is: 244,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,211.60 : 261,511.80 = 162,790.60 : x
  2. Step 2: Convert to fraction form
    174,211.60/261,511.80 = 162,790.60/x
  3. Step 3: Cross multiply
    174,211.60x = 261,511.80 × 162,790.60
  4. Step 4: Simplify right side
    174,211.60x = 42,571,662,829.08
  5. Step 5: Solve for x
    x = 42,571,662,829.08/174,211.60
  6. Step 6: Final answer
    x = 244,367.56

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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.