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Finding the Fourth Proportional to 86,840.88, 119,846.86 and 48,604.26

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Solution

The fourth proportional to 86,840.88, 119,846.86 and 48,604.26 is: 67,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,840.88 : 119,846.86 = 48,604.26 : x
  2. Step 2: Convert to fraction form
    86,840.88/119,846.86 = 48,604.26/x
  3. Step 3: Cross multiply
    86,840.88x = 119,846.86 × 48,604.26
  4. Step 4: Simplify right side
    86,840.88x = 5,825,067,943.62
  5. Step 5: Solve for x
    x = 5,825,067,943.62/86,840.88
  6. Step 6: Final answer
    x = 67,077.49

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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.