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Finding the Fourth Proportional to 79,798.74, 110,091.42 and 45,794.94

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Solution

The fourth proportional to 79,798.74, 110,091.42 and 45,794.94 is: 63,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,798.74 : 110,091.42 = 45,794.94 : x
  2. Step 2: Convert to fraction form
    79,798.74/110,091.42 = 45,794.94/x
  3. Step 3: Cross multiply
    79,798.74x = 110,091.42 × 45,794.94
  4. Step 4: Simplify right side
    79,798.74x = 5,041,629,973.41
  5. Step 5: Solve for x
    x = 5,041,629,973.41/79,798.74
  6. Step 6: Final answer
    x = 63,179.32

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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.