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Finding the Fourth Proportional to 79,888.41, 110,246.40 and 44,078.45

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Solution

The fourth proportional to 79,888.41, 110,246.40 and 44,078.45 is: 60,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,888.41 : 110,246.40 = 44,078.45 : x
  2. Step 2: Convert to fraction form
    79,888.41/110,246.40 = 44,078.45/x
  3. Step 3: Cross multiply
    79,888.41x = 110,246.40 × 44,078.45
  4. Step 4: Simplify right side
    79,888.41x = 4,859,489,878.85
  5. Step 5: Solve for x
    x = 4,859,489,878.85/79,888.41
  6. Step 6: Final answer
    x = 60,828.47

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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.