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Finding the Fourth Proportional to 260,195.62, 359,065.28 and 147,015.94

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Solution

The fourth proportional to 260,195.62, 359,065.28 and 147,015.94 is: 202,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,195.62 : 359,065.28 = 147,015.94 : x
  2. Step 2: Convert to fraction form
    260,195.62/359,065.28 = 147,015.94/x
  3. Step 3: Cross multiply
    260,195.62x = 359,065.28 × 147,015.94
  4. Step 4: Simplify right side
    260,195.62x = 52,788,319,660.56
  5. Step 5: Solve for x
    x = 52,788,319,660.56/260,195.62
  6. Step 6: Final answer
    x = 202,879.36

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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.