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Finding the Fourth Proportional to 86,563.68, 119,460.96 and 50,262.40

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Solution

The fourth proportional to 86,563.68, 119,460.96 and 50,262.40 is: 69,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,563.68 : 119,460.96 = 50,262.40 : x
  2. Step 2: Convert to fraction form
    86,563.68/119,460.96 = 50,262.40/x
  3. Step 3: Cross multiply
    86,563.68x = 119,460.96 × 50,262.40
  4. Step 4: Simplify right side
    86,563.68x = 6,004,394,555.90
  5. Step 5: Solve for x
    x = 6,004,394,555.90/86,563.68
  6. Step 6: Final answer
    x = 69,363.90

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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.