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Finding the Fourth Proportional to 265,975.88, 366,996.49 and 158,555.90

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Solution

The fourth proportional to 265,975.88, 366,996.49 and 158,555.90 is: 218,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,975.88 : 366,996.49 = 158,555.90 : x
  2. Step 2: Convert to fraction form
    265,975.88/366,996.49 = 158,555.90/x
  3. Step 3: Cross multiply
    265,975.88x = 366,996.49 × 158,555.90
  4. Step 4: Simplify right side
    265,975.88x = 58,189,459,289.89
  5. Step 5: Solve for x
    x = 58,189,459,289.89/265,975.88
  6. Step 6: Final answer
    x = 218,777.21

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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.