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Finding the Fourth Proportional to 79,999.33, 110,399.13 and 43,701.28

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Solution

The fourth proportional to 79,999.33, 110,399.13 and 43,701.28 is: 60,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,999.33 : 110,399.13 = 43,701.28 : x
  2. Step 2: Convert to fraction form
    79,999.33/110,399.13 = 43,701.28/x
  3. Step 3: Cross multiply
    79,999.33x = 110,399.13 × 43,701.28
  4. Step 4: Simplify right side
    79,999.33x = 4,824,583,291.89
  5. Step 5: Solve for x
    x = 4,824,583,291.89/79,999.33
  6. Step 6: Final answer
    x = 60,307.80

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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.