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Finding the Fourth Proportional to 73,284.73, 110,111.63 and 46,642.97

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Solution

The fourth proportional to 73,284.73, 110,111.63 and 46,642.97 is: 70,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,284.73 : 110,111.63 = 46,642.97 : x
  2. Step 2: Convert to fraction form
    73,284.73/110,111.63 = 46,642.97/x
  3. Step 3: Cross multiply
    73,284.73x = 110,111.63 × 46,642.97
  4. Step 4: Simplify right side
    73,284.73x = 5,135,933,454.74
  5. Step 5: Solve for x
    x = 5,135,933,454.74/73,284.73
  6. Step 6: Final answer
    x = 70,081.90

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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.