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Finding the Fourth Proportional to 364,183.02, 546,268.05 and 139,482.54

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Solution

The fourth proportional to 364,183.02, 546,268.05 and 139,482.54 is: 209,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,183.02 : 546,268.05 = 139,482.54 : x
  2. Step 2: Convert to fraction form
    364,183.02/546,268.05 = 139,482.54/x
  3. Step 3: Cross multiply
    364,183.02x = 546,268.05 × 139,482.54
  4. Step 4: Simplify right side
    364,183.02x = 76,194,855,134.85
  5. Step 5: Solve for x
    x = 76,194,855,134.85/364,183.02
  6. Step 6: Final answer
    x = 209,221.33

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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.