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Finding the Fourth Proportional to 265,188.63, 397,611.52 and 113,484.75

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Solution

The fourth proportional to 265,188.63, 397,611.52 and 113,484.75 is: 170,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,188.63 : 397,611.52 = 113,484.75 : x
  2. Step 2: Convert to fraction form
    265,188.63/397,611.52 = 113,484.75/x
  3. Step 3: Cross multiply
    265,188.63x = 397,611.52 × 113,484.75
  4. Step 4: Simplify right side
    265,188.63x = 45,122,843,660.61
  5. Step 5: Solve for x
    x = 45,122,843,660.61/265,188.63
  6. Step 6: Final answer
    x = 170,153.76

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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.