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Finding the Fourth Proportional to 301,232.86, 451,852.53 and 90,872.62

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Solution

The fourth proportional to 301,232.86, 451,852.53 and 90,872.62 is: 136,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,232.86 : 451,852.53 = 90,872.62 : x
  2. Step 2: Convert to fraction form
    301,232.86/451,852.53 = 90,872.62/x
  3. Step 3: Cross multiply
    301,232.86x = 451,852.53 × 90,872.62
  4. Step 4: Simplify right side
    301,232.86x = 41,061,023,254.73
  5. Step 5: Solve for x
    x = 41,061,023,254.73/301,232.86
  6. Step 6: Final answer
    x = 136,309.91

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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.