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Finding the Fourth Proportional to 357,467.37, 536,200.74 and 91,227.86

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Solution

The fourth proportional to 357,467.37, 536,200.74 and 91,227.86 is: 136,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,467.37 : 536,200.74 = 91,227.86 : x
  2. Step 2: Convert to fraction form
    357,467.37/536,200.74 = 91,227.86/x
  3. Step 3: Cross multiply
    357,467.37x = 536,200.74 × 91,227.86
  4. Step 4: Simplify right side
    357,467.37x = 48,916,446,040.62
  5. Step 5: Solve for x
    x = 48,916,446,040.62/357,467.37
  6. Step 6: Final answer
    x = 136,841.71

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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.