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Finding the Fourth Proportional to 216,539.44, 324,796.20 and 58,764.40

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Solution

The fourth proportional to 216,539.44, 324,796.20 and 58,764.40 is: 88,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,539.44 : 324,796.20 = 58,764.40 : x
  2. Step 2: Convert to fraction form
    216,539.44/324,796.20 = 58,764.40/x
  3. Step 3: Cross multiply
    216,539.44x = 324,796.20 × 58,764.40
  4. Step 4: Simplify right side
    216,539.44x = 19,086,453,815.28
  5. Step 5: Solve for x
    x = 19,086,453,815.28/216,539.44
  6. Step 6: Final answer
    x = 88,143.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.