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Finding the Fourth Proportional to 129,995.86, 194,993.86 and 46,889.86

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Solution

The fourth proportional to 129,995.86, 194,993.86 and 46,889.86 is: 70,334.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,995.86 : 194,993.86 = 46,889.86 : x
  2. Step 2: Convert to fraction form
    129,995.86/194,993.86 = 46,889.86/x
  3. Step 3: Cross multiply
    129,995.86x = 194,993.86 × 46,889.86
  4. Step 4: Simplify right side
    129,995.86x = 9,143,234,796.26
  5. Step 5: Solve for x
    x = 9,143,234,796.26/129,995.86
  6. Step 6: Final answer
    x = 70,334.82

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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.