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Finding the Fourth Proportional to 263,063.70, 394,595.55 and 96,830.10

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Solution

The fourth proportional to 263,063.70, 394,595.55 and 96,830.10 is: 145,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,063.70 : 394,595.55 = 96,830.10 : x
  2. Step 2: Convert to fraction form
    263,063.70/394,595.55 = 96,830.10/x
  3. Step 3: Cross multiply
    263,063.70x = 394,595.55 × 96,830.10
  4. Step 4: Simplify right side
    263,063.70x = 38,208,726,566.06
  5. Step 5: Solve for x
    x = 38,208,726,566.06/263,063.70
  6. Step 6: Final answer
    x = 145,245.15

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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.