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Finding the Fourth Proportional to 175,998.40, 263,767.20 and 70,731.20

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Solution

The fourth proportional to 175,998.40, 263,767.20 and 70,731.20 is: 106,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,998.40 : 263,767.20 = 70,731.20 : x
  2. Step 2: Convert to fraction form
    175,998.40/263,767.20 = 70,731.20/x
  3. Step 3: Cross multiply
    175,998.40x = 263,767.20 × 70,731.20
  4. Step 4: Simplify right side
    175,998.40x = 18,656,570,576.64
  5. Step 5: Solve for x
    x = 18,656,570,576.64/175,998.40
  6. Step 6: Final answer
    x = 106,004.21

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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.