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Finding the Fourth Proportional to 107,189.48, 160,782.30 and 43,995.88

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Solution

The fourth proportional to 107,189.48, 160,782.30 and 43,995.88 is: 65,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,189.48 : 160,782.30 = 43,995.88 : x
  2. Step 2: Convert to fraction form
    107,189.48/160,782.30 = 43,995.88/x
  3. Step 3: Cross multiply
    107,189.48x = 160,782.30 × 43,995.88
  4. Step 4: Simplify right side
    107,189.48x = 7,073,758,776.92
  5. Step 5: Solve for x
    x = 7,073,758,776.92/107,189.48
  6. Step 6: Final answer
    x = 65,993.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.