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Finding the Fourth Proportional to 134,081.73, 185,034 and 73,653.60

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Solution

The fourth proportional to 134,081.73, 185,034 and 73,653.60 is: 101,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,081.73 : 185,034 = 73,653.60 : x
  2. Step 2: Convert to fraction form
    134,081.73/185,034 = 73,653.60/x
  3. Step 3: Cross multiply
    134,081.73x = 185,034 × 73,653.60
  4. Step 4: Simplify right side
    134,081.73x = 13,628,420,222.40
  5. Step 5: Solve for x
    x = 13,628,420,222.40/134,081.73
  6. Step 6: Final answer
    x = 101,642.63

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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.