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Finding the Fourth Proportional to 265,703.46, 398,650.23 and 113,836.74

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Solution

The fourth proportional to 265,703.46, 398,650.23 and 113,836.74 is: 170,795.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,703.46 : 398,650.23 = 113,836.74 : x
  2. Step 2: Convert to fraction form
    265,703.46/398,650.23 = 113,836.74/x
  3. Step 3: Cross multiply
    265,703.46x = 398,650.23 × 113,836.74
  4. Step 4: Simplify right side
    265,703.46x = 45,381,042,583.45
  5. Step 5: Solve for x
    x = 45,381,042,583.45/265,703.46
  6. Step 6: Final answer
    x = 170,795.83

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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.