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Finding the Fourth Proportional to 86,653.99, 119,570.66 and 48,408.83

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Solution

The fourth proportional to 86,653.99, 119,570.66 and 48,408.83 is: 66,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,653.99 : 119,570.66 = 48,408.83 : x
  2. Step 2: Convert to fraction form
    86,653.99/119,570.66 = 48,408.83/x
  3. Step 3: Cross multiply
    86,653.99x = 119,570.66 × 48,408.83
  4. Step 4: Simplify right side
    86,653.99x = 5,788,275,238.66
  5. Step 5: Solve for x
    x = 5,788,275,238.66/86,653.99
  6. Step 6: Final answer
    x = 66,797.56

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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.