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Finding the Fourth Proportional to 265,348.87, 366,170.43 and 144,489.86

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Solution

The fourth proportional to 265,348.87, 366,170.43 and 144,489.86 is: 199,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,348.87 : 366,170.43 = 144,489.86 : x
  2. Step 2: Convert to fraction form
    265,348.87/366,170.43 = 144,489.86/x
  3. Step 3: Cross multiply
    265,348.87x = 366,170.43 × 144,489.86
  4. Step 4: Simplify right side
    265,348.87x = 52,907,914,166.84
  5. Step 5: Solve for x
    x = 52,907,914,166.84/265,348.87
  6. Step 6: Final answer
    x = 199,390.01

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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.