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Finding the Fourth Proportional to 260,618.54, 359,651.15 and 147,441.29

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Solution

The fourth proportional to 260,618.54, 359,651.15 and 147,441.29 is: 203,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,618.54 : 359,651.15 = 147,441.29 : x
  2. Step 2: Convert to fraction form
    260,618.54/359,651.15 = 147,441.29/x
  3. Step 3: Cross multiply
    260,618.54x = 359,651.15 × 147,441.29
  4. Step 4: Simplify right side
    260,618.54x = 53,027,429,874.59
  5. Step 5: Solve for x
    x = 53,027,429,874.59/260,618.54
  6. Step 6: Final answer
    x = 203,467.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.