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Finding the Fourth Proportional to 74,650.98, 111,713.48 and 46,584.25

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Solution

The fourth proportional to 74,650.98, 111,713.48 and 46,584.25 is: 69,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,650.98 : 111,713.48 = 46,584.25 : x
  2. Step 2: Convert to fraction form
    74,650.98/111,713.48 = 46,584.25/x
  3. Step 3: Cross multiply
    74,650.98x = 111,713.48 × 46,584.25
  4. Step 4: Simplify right side
    74,650.98x = 5,204,088,343.18
  5. Step 5: Solve for x
    x = 5,204,088,343.18/74,650.98
  6. Step 6: Final answer
    x = 69,712.25

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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.