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Finding the Fourth Proportional to 79,496.80, 119,072.40 and 48,277.60

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Solution

The fourth proportional to 79,496.80, 119,072.40 and 48,277.60 is: 72,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,496.80 : 119,072.40 = 48,277.60 : x
  2. Step 2: Convert to fraction form
    79,496.80/119,072.40 = 48,277.60/x
  3. Step 3: Cross multiply
    79,496.80x = 119,072.40 × 48,277.60
  4. Step 4: Simplify right side
    79,496.80x = 5,748,529,698.24
  5. Step 5: Solve for x
    x = 5,748,529,698.24/79,496.80
  6. Step 6: Final answer
    x = 72,311.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.