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Finding the Fourth Proportional to 265,543.54, 366,454.26 and 144,684.79

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Solution

The fourth proportional to 265,543.54, 366,454.26 and 144,684.79 is: 199,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,543.54 : 366,454.26 = 144,684.79 : x
  2. Step 2: Convert to fraction form
    265,543.54/366,454.26 = 144,684.79/x
  3. Step 3: Cross multiply
    265,543.54x = 366,454.26 × 144,684.79
  4. Step 4: Simplify right side
    265,543.54x = 53,020,356,736.57
  5. Step 5: Solve for x
    x = 53,020,356,736.57/265,543.54
  6. Step 6: Final answer
    x = 199,667.28

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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.