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Finding the Fourth Proportional to 265,640.56, 366,573.33 and 144,779.31

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Solution

The fourth proportional to 265,640.56, 366,573.33 and 144,779.31 is: 199,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,640.56 : 366,573.33 = 144,779.31 : x
  2. Step 2: Convert to fraction form
    265,640.56/366,573.33 = 144,779.31/x
  3. Step 3: Cross multiply
    265,640.56x = 366,573.33 × 144,779.31
  4. Step 4: Simplify right side
    265,640.56x = 53,072,233,781.80
  5. Step 5: Solve for x
    x = 53,072,233,781.80/265,640.56
  6. Step 6: Final answer
    x = 199,789.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.