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Finding the Fourth Proportional to 79,807.96, 110,135.73 and 43,999.24

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Solution

The fourth proportional to 79,807.96, 110,135.73 and 43,999.24 is: 60,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,807.96 : 110,135.73 = 43,999.24 : x
  2. Step 2: Convert to fraction form
    79,807.96/110,135.73 = 43,999.24/x
  3. Step 3: Cross multiply
    79,807.96x = 110,135.73 × 43,999.24
  4. Step 4: Simplify right side
    79,807.96x = 4,845,888,416.85
  5. Step 5: Solve for x
    x = 4,845,888,416.85/79,807.96
  6. Step 6: Final answer
    x = 60,719.36

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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.