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Finding the Fourth Proportional to 79,552.99, 109,783.53 and 43,745.32

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Solution

The fourth proportional to 79,552.99, 109,783.53 and 43,745.32 is: 60,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,552.99 : 109,783.53 = 43,745.32 : x
  2. Step 2: Convert to fraction form
    79,552.99/109,783.53 = 43,745.32/x
  3. Step 3: Cross multiply
    79,552.99x = 109,783.53 × 43,745.32
  4. Step 4: Simplify right side
    79,552.99x = 4,802,515,650.58
  5. Step 5: Solve for x
    x = 4,802,515,650.58/79,552.99
  6. Step 6: Final answer
    x = 60,368.76

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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.