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Finding the Fourth Proportional to 79,193.58, 109,245.69 and 48,969.24

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Solution

The fourth proportional to 79,193.58, 109,245.69 and 48,969.24 is: 67,551.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,193.58 : 109,245.69 = 48,969.24 : x
  2. Step 2: Convert to fraction form
    79,193.58/109,245.69 = 48,969.24/x
  3. Step 3: Cross multiply
    79,193.58x = 109,245.69 × 48,969.24
  4. Step 4: Simplify right side
    79,193.58x = 5,349,678,412.58
  5. Step 5: Solve for x
    x = 5,349,678,412.58/79,193.58
  6. Step 6: Final answer
    x = 67,551.92

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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.