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Finding the Fourth Proportional to 80,584.26, 120,710.26 and 47,203.12

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Solution

The fourth proportional to 80,584.26, 120,710.26 and 47,203.12 is: 70,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,584.26 : 120,710.26 = 47,203.12 : x
  2. Step 2: Convert to fraction form
    80,584.26/120,710.26 = 47,203.12/x
  3. Step 3: Cross multiply
    80,584.26x = 120,710.26 × 47,203.12
  4. Step 4: Simplify right side
    80,584.26x = 5,697,900,888.01
  5. Step 5: Solve for x
    x = 5,697,900,888.01/80,584.26
  6. Step 6: Final answer
    x = 70,707.37

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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.