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Finding the Fourth Proportional to 244,312.85, 366,464.07 and 66,819.89

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Solution

The fourth proportional to 244,312.85, 366,464.07 and 66,819.89 is: 100,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,312.85 : 366,464.07 = 66,819.89 : x
  2. Step 2: Convert to fraction form
    244,312.85/366,464.07 = 66,819.89/x
  3. Step 3: Cross multiply
    244,312.85x = 366,464.07 × 66,819.89
  4. Step 4: Simplify right side
    244,312.85x = 24,487,087,014.03
  5. Step 5: Solve for x
    x = 24,487,087,014.03/244,312.85
  6. Step 6: Final answer
    x = 100,228.41

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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.