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Finding the Fourth Proportional to 195,871.20, 293,816.40 and 102,559.20

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Solution

The fourth proportional to 195,871.20, 293,816.40 and 102,559.20 is: 153,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,871.20 : 293,816.40 = 102,559.20 : x
  2. Step 2: Convert to fraction form
    195,871.20/293,816.40 = 102,559.20/x
  3. Step 3: Cross multiply
    195,871.20x = 293,816.40 × 102,559.20
  4. Step 4: Simplify right side
    195,871.20x = 30,133,574,930.88
  5. Step 5: Solve for x
    x = 30,133,574,930.88/195,871.20
  6. Step 6: Final answer
    x = 153,843.83

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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.