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Finding the Fourth Proportional to 79,999.63, 110,384.22 and 48,170.59

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Solution

The fourth proportional to 79,999.63, 110,384.22 and 48,170.59 is: 66,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,999.63 : 110,384.22 = 48,170.59 : x
  2. Step 2: Convert to fraction form
    79,999.63/110,384.22 = 48,170.59/x
  3. Step 3: Cross multiply
    79,999.63x = 110,384.22 × 48,170.59
  4. Step 4: Simplify right side
    79,999.63x = 5,317,273,004.09
  5. Step 5: Solve for x
    x = 5,317,273,004.09/79,999.63
  6. Step 6: Final answer
    x = 66,466.22

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1.5x scale

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.