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Finding the Fourth Proportional to 357,825.28, 536,739.36 and 108,509.44

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Solution

The fourth proportional to 357,825.28, 536,739.36 and 108,509.44 is: 162,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,825.28 : 536,739.36 = 108,509.44 : x
  2. Step 2: Convert to fraction form
    357,825.28/536,739.36 = 108,509.44/x
  3. Step 3: Cross multiply
    357,825.28x = 536,739.36 × 108,509.44
  4. Step 4: Simplify right side
    357,825.28x = 58,241,287,379.56
  5. Step 5: Solve for x
    x = 58,241,287,379.56/357,825.28
  6. Step 6: Final answer
    x = 162,764.60

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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.