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Finding the Fourth Proportional to 301,218.42, 451,539.46 and 111,627.87

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Solution

The fourth proportional to 301,218.42, 451,539.46 and 111,627.87 is: 167,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,218.42 : 451,539.46 = 111,627.87 : x
  2. Step 2: Convert to fraction form
    301,218.42/451,539.46 = 111,627.87/x
  3. Step 3: Cross multiply
    301,218.42x = 451,539.46 × 111,627.87
  4. Step 4: Simplify right side
    301,218.42x = 50,404,388,140.75
  5. Step 5: Solve for x
    x = 50,404,388,140.75/301,218.42
  6. Step 6: Final answer
    x = 167,335.01

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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.