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Finding the Fourth Proportional to 170,382.80, 255,485.40 and 63,679.04

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Solution

The fourth proportional to 170,382.80, 255,485.40 and 63,679.04 is: 95,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,382.80 : 255,485.40 = 63,679.04 : x
  2. Step 2: Convert to fraction form
    170,382.80/255,485.40 = 63,679.04/x
  3. Step 3: Cross multiply
    170,382.80x = 255,485.40 × 63,679.04
  4. Step 4: Simplify right side
    170,382.80x = 16,269,065,006.02
  5. Step 5: Solve for x
    x = 16,269,065,006.02/170,382.80
  6. Step 6: Final answer
    x = 95,485.37

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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.