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Finding the Fourth Proportional to 341,195.87, 511,859.41 and 130,817.40

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Solution

The fourth proportional to 341,195.87, 511,859.41 and 130,817.40 is: 196,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,195.87 : 511,859.41 = 130,817.40 : x
  2. Step 2: Convert to fraction form
    341,195.87/511,859.41 = 130,817.40/x
  3. Step 3: Cross multiply
    341,195.87x = 511,859.41 × 130,817.40
  4. Step 4: Simplify right side
    341,195.87x = 66,960,116,527.65
  5. Step 5: Solve for x
    x = 66,960,116,527.65/341,195.87
  6. Step 6: Final answer
    x = 196,251.25

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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.