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Finding the Fourth Proportional to 188,152.56, 259,653.60 and 103,277.52

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Solution

The fourth proportional to 188,152.56, 259,653.60 and 103,277.52 is: 142,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,152.56 : 259,653.60 = 103,277.52 : x
  2. Step 2: Convert to fraction form
    188,152.56/259,653.60 = 103,277.52/x
  3. Step 3: Cross multiply
    188,152.56x = 259,653.60 × 103,277.52
  4. Step 4: Simplify right side
    188,152.56x = 26,816,379,867.07
  5. Step 5: Solve for x
    x = 26,816,379,867.07/188,152.56
  6. Step 6: Final answer
    x = 142,524.66

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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.