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Finding the Fourth Proportional to 301,562.89, 451,655.37 and 143,902.06

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Solution

The fourth proportional to 301,562.89, 451,655.37 and 143,902.06 is: 215,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,562.89 : 451,655.37 = 143,902.06 : x
  2. Step 2: Convert to fraction form
    301,562.89/451,655.37 = 143,902.06/x
  3. Step 3: Cross multiply
    301,562.89x = 451,655.37 × 143,902.06
  4. Step 4: Simplify right side
    301,562.89x = 64,994,138,153.06
  5. Step 5: Solve for x
    x = 64,994,138,153.06/301,562.89
  6. Step 6: Final answer
    x = 215,524.32

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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.