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Finding the Fourth Proportional to 86,624.88, 119,574.12 and 50,844.90

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Solution

The fourth proportional to 86,624.88, 119,574.12 and 50,844.90 is: 70,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,624.88 : 119,574.12 = 50,844.90 : x
  2. Step 2: Convert to fraction form
    86,624.88/119,574.12 = 50,844.90/x
  3. Step 3: Cross multiply
    86,624.88x = 119,574.12 × 50,844.90
  4. Step 4: Simplify right side
    86,624.88x = 6,079,734,173.99
  5. Step 5: Solve for x
    x = 6,079,734,173.99/86,624.88
  6. Step 6: Final answer
    x = 70,184.62

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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.