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Finding the Fourth Proportional to 86,907.26, 119,932.02 and 47,163.26

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Solution

The fourth proportional to 86,907.26, 119,932.02 and 47,163.26 is: 65,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,907.26 : 119,932.02 = 47,163.26 : x
  2. Step 2: Convert to fraction form
    86,907.26/119,932.02 = 47,163.26/x
  3. Step 3: Cross multiply
    86,907.26x = 119,932.02 × 47,163.26
  4. Step 4: Simplify right side
    86,907.26x = 5,656,385,041.59
  5. Step 5: Solve for x
    x = 5,656,385,041.59/86,907.26
  6. Step 6: Final answer
    x = 65,085.30

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1.5x scale

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.