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Finding the Fourth Proportional to 244,640.20, 366,960.30 and 111,779.95

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Solution

The fourth proportional to 244,640.20, 366,960.30 and 111,779.95 is: 167,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,640.20 : 366,960.30 = 111,779.95 : x
  2. Step 2: Convert to fraction form
    244,640.20/366,960.30 = 111,779.95/x
  3. Step 3: Cross multiply
    244,640.20x = 366,960.30 × 111,779.95
  4. Step 4: Simplify right side
    244,640.20x = 41,018,803,985.99
  5. Step 5: Solve for x
    x = 41,018,803,985.99/244,640.20
  6. Step 6: Final answer
    x = 167,669.93

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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.