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Finding the Fourth Proportional to 262,081.85, 360,780.43 and 193,970.47

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Solution

The fourth proportional to 262,081.85, 360,780.43 and 193,970.47 is: 267,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,081.85 : 360,780.43 = 193,970.47 : x
  2. Step 2: Convert to fraction form
    262,081.85/360,780.43 = 193,970.47/x
  3. Step 3: Cross multiply
    262,081.85x = 360,780.43 × 193,970.47
  4. Step 4: Simplify right side
    262,081.85x = 69,980,750,241.88
  5. Step 5: Solve for x
    x = 69,980,750,241.88/262,081.85
  6. Step 6: Final answer
    x = 267,018.68

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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.