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Finding the Fourth Proportional to 244,706.40, 367,059.60 and 78,511.20

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Solution

The fourth proportional to 244,706.40, 367,059.60 and 78,511.20 is: 117,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,706.40 : 367,059.60 = 78,511.20 : x
  2. Step 2: Convert to fraction form
    244,706.40/367,059.60 = 78,511.20/x
  3. Step 3: Cross multiply
    244,706.40x = 367,059.60 × 78,511.20
  4. Step 4: Simplify right side
    244,706.40x = 28,818,289,667.52
  5. Step 5: Solve for x
    x = 28,818,289,667.52/244,706.40
  6. Step 6: Final answer
    x = 117,766.80

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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.