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Finding the Fourth Proportional to 260,756.62, 359,782.46 and 147,579.37

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Solution

The fourth proportional to 260,756.62, 359,782.46 and 147,579.37 is: 203,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,756.62 : 359,782.46 = 147,579.37 : x
  2. Step 2: Convert to fraction form
    260,756.62/359,782.46 = 147,579.37/x
  3. Step 3: Cross multiply
    260,756.62x = 359,782.46 × 147,579.37
  4. Step 4: Simplify right side
    260,756.62x = 53,096,467,699.92
  5. Step 5: Solve for x
    x = 53,096,467,699.92/260,756.62
  6. Step 6: Final answer
    x = 203,624.62

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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.