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Finding the Fourth Proportional to 188,397.26, 259,810.08 and 123,752.44

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Solution

The fourth proportional to 188,397.26, 259,810.08 and 123,752.44 is: 170,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,397.26 : 259,810.08 = 123,752.44 : x
  2. Step 2: Convert to fraction form
    188,397.26/259,810.08 = 123,752.44/x
  3. Step 3: Cross multiply
    188,397.26x = 259,810.08 × 123,752.44
  4. Step 4: Simplify right side
    188,397.26x = 32,152,131,336.60
  5. Step 5: Solve for x
    x = 32,152,131,336.60/188,397.26
  6. Step 6: Final answer
    x = 170,661.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.