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Finding the Fourth Proportional to 114,570.65, 171,800.44 and 67,201.22

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Solution

The fourth proportional to 114,570.65, 171,800.44 and 67,201.22 is: 100,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,570.65 : 171,800.44 = 67,201.22 : x
  2. Step 2: Convert to fraction form
    114,570.65/171,800.44 = 67,201.22/x
  3. Step 3: Cross multiply
    114,570.65x = 171,800.44 × 67,201.22
  4. Step 4: Simplify right side
    114,570.65x = 11,545,199,426.03
  5. Step 5: Solve for x
    x = 11,545,199,426.03/114,570.65
  6. Step 6: Final answer
    x = 100,769.26

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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.