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Finding the Fourth Proportional to 79,846.80, 119,770.20 and 58,851.60

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Solution

The fourth proportional to 79,846.80, 119,770.20 and 58,851.60 is: 88,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,846.80 : 119,770.20 = 58,851.60 : x
  2. Step 2: Convert to fraction form
    79,846.80/119,770.20 = 58,851.60/x
  3. Step 3: Cross multiply
    79,846.80x = 119,770.20 × 58,851.60
  4. Step 4: Simplify right side
    79,846.80x = 7,048,667,902.32
  5. Step 5: Solve for x
    x = 7,048,667,902.32/79,846.80
  6. Step 6: Final answer
    x = 88,277.40

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1.5x scale

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.