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Finding the Fourth Proportional to 86,800.59, 119,783.73 and 50,993.86

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Solution

The fourth proportional to 86,800.59, 119,783.73 and 50,993.86 is: 70,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,800.59 : 119,783.73 = 50,993.86 : x
  2. Step 2: Convert to fraction form
    86,800.59/119,783.73 = 50,993.86/x
  3. Step 3: Cross multiply
    86,800.59x = 119,783.73 × 50,993.86
  4. Step 4: Simplify right side
    86,800.59x = 6,108,234,757.90
  5. Step 5: Solve for x
    x = 6,108,234,757.90/86,800.59
  6. Step 6: Final answer
    x = 70,370.89

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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.