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Finding the Fourth Proportional to 86,245.99, 119,037.16 and 50,444.80

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Solution

The fourth proportional to 86,245.99, 119,037.16 and 50,444.80 is: 69,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,245.99 : 119,037.16 = 50,444.80 : x
  2. Step 2: Convert to fraction form
    86,245.99/119,037.16 = 50,444.80/x
  3. Step 3: Cross multiply
    86,245.99x = 119,037.16 × 50,444.80
  4. Step 4: Simplify right side
    86,245.99x = 6,004,805,728.77
  5. Step 5: Solve for x
    x = 6,004,805,728.77/86,245.99
  6. Step 6: Final answer
    x = 69,624.17

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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.