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Finding the Fourth Proportional to 175,871.96, 263,808.09 and 123,515.18

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Solution

The fourth proportional to 175,871.96, 263,808.09 and 123,515.18 is: 185,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,871.96 : 263,808.09 = 123,515.18 : x
  2. Step 2: Convert to fraction form
    175,871.96/263,808.09 = 123,515.18/x
  3. Step 3: Cross multiply
    175,871.96x = 263,808.09 × 123,515.18
  4. Step 4: Simplify right side
    175,871.96x = 32,584,303,392.05
  5. Step 5: Solve for x
    x = 32,584,303,392.05/175,871.96
  6. Step 6: Final answer
    x = 185,272.87

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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.