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Finding the Fourth Proportional to 86,563.33, 119,507.08 and 65,983.83

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Solution

The fourth proportional to 86,563.33, 119,507.08 and 65,983.83 is: 91,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,563.33 : 119,507.08 = 65,983.83 : x
  2. Step 2: Convert to fraction form
    86,563.33/119,507.08 = 65,983.83/x
  3. Step 3: Cross multiply
    86,563.33x = 119,507.08 × 65,983.83
  4. Step 4: Simplify right side
    86,563.33x = 7,885,535,033.35
  5. Step 5: Solve for x
    x = 7,885,535,033.35/86,563.33
  6. Step 6: Final answer
    x = 91,095.56

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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.