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Finding the Fourth Proportional to 301,254.70, 451,893.81 and 90,892.66

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Solution

The fourth proportional to 301,254.70, 451,893.81 and 90,892.66 is: 136,342.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,254.70 : 451,893.81 = 90,892.66 : x
  2. Step 2: Convert to fraction form
    301,254.70/451,893.81 = 90,892.66/x
  3. Step 3: Cross multiply
    301,254.70x = 451,893.81 × 90,892.66
  4. Step 4: Simplify right side
    301,254.70x = 41,073,829,749.95
  5. Step 5: Solve for x
    x = 41,073,829,749.95/301,254.70
  6. Step 6: Final answer
    x = 136,342.54

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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.