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Finding the Fourth Proportional to 244,940.80, 367,065.60 and 120,006.40

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Solution

The fourth proportional to 244,940.80, 367,065.60 and 120,006.40 is: 179,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,940.80 : 367,065.60 = 120,006.40 : x
  2. Step 2: Convert to fraction form
    244,940.80/367,065.60 = 120,006.40/x
  3. Step 3: Cross multiply
    244,940.80x = 367,065.60 × 120,006.40
  4. Step 4: Simplify right side
    244,940.80x = 44,050,221,219.84
  5. Step 5: Solve for x
    x = 44,050,221,219.84/244,940.80
  6. Step 6: Final answer
    x = 179,840.28

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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.