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Finding the Fourth Proportional to 79,647.32, 109,895.64 and 46,093.88

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Solution

The fourth proportional to 79,647.32, 109,895.64 and 46,093.88 is: 63,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,647.32 : 109,895.64 = 46,093.88 : x
  2. Step 2: Convert to fraction form
    79,647.32/109,895.64 = 46,093.88/x
  3. Step 3: Cross multiply
    79,647.32x = 109,895.64 × 46,093.88
  4. Step 4: Simplify right side
    79,647.32x = 5,065,515,893.21
  5. Step 5: Solve for x
    x = 5,065,515,893.21/79,647.32
  6. Step 6: Final answer
    x = 63,599.33

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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.