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Finding the Fourth Proportional to 301,173.47, 451,757.77 and 76,534.55

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Solution

The fourth proportional to 301,173.47, 451,757.77 and 76,534.55 is: 114,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,173.47 : 451,757.77 = 76,534.55 : x
  2. Step 2: Convert to fraction form
    301,173.47/451,757.77 = 76,534.55/x
  3. Step 3: Cross multiply
    301,173.47x = 451,757.77 × 76,534.55
  4. Step 4: Simplify right side
    301,173.47x = 34,575,077,635.95
  5. Step 5: Solve for x
    x = 34,575,077,635.95/301,173.47
  6. Step 6: Final answer
    x = 114,801.21

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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.