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Finding the Fourth Proportional to 357,890.22, 536,906.41 and 133,252.52

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Solution

The fourth proportional to 357,890.22, 536,906.41 and 133,252.52 is: 199,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,890.22 : 536,906.41 = 133,252.52 : x
  2. Step 2: Convert to fraction form
    357,890.22/536,906.41 = 133,252.52/x
  3. Step 3: Cross multiply
    357,890.22x = 536,906.41 × 133,252.52
  4. Step 4: Simplify right side
    357,890.22x = 71,544,129,118.99
  5. Step 5: Solve for x
    x = 71,544,129,118.99/357,890.22
  6. Step 6: Final answer
    x = 199,905.24

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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.