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Finding the Fourth Proportional to 301,259.94, 451,887.96 and 76,618.44

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Solution

The fourth proportional to 301,259.94, 451,887.96 and 76,618.44 is: 114,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,259.94 : 451,887.96 = 76,618.44 : x
  2. Step 2: Convert to fraction form
    301,259.94/451,887.96 = 76,618.44/x
  3. Step 3: Cross multiply
    301,259.94x = 451,887.96 × 76,618.44
  4. Step 4: Simplify right side
    301,259.94x = 34,622,950,549.98
  5. Step 5: Solve for x
    x = 34,622,950,549.98/301,259.94
  6. Step 6: Final answer
    x = 114,927.16

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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.