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Finding the Fourth Proportional to 170,379.52, 255,551.48 and 75,611.32

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Solution

The fourth proportional to 170,379.52, 255,551.48 and 75,611.32 is: 113,409.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,379.52 : 255,551.48 = 75,611.32 : x
  2. Step 2: Convert to fraction form
    170,379.52/255,551.48 = 75,611.32/x
  3. Step 3: Cross multiply
    170,379.52x = 255,551.48 × 75,611.32
  4. Step 4: Simplify right side
    170,379.52x = 19,322,584,730.75
  5. Step 5: Solve for x
    x = 19,322,584,730.75/170,379.52
  6. Step 6: Final answer
    x = 113,409.08

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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.