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Finding the Fourth Proportional to 115,995.12, 174,021.72 and 32,889.12

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Solution

The fourth proportional to 115,995.12, 174,021.72 and 32,889.12 is: 49,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,995.12 : 174,021.72 = 32,889.12 : x
  2. Step 2: Convert to fraction form
    115,995.12/174,021.72 = 32,889.12/x
  3. Step 3: Cross multiply
    115,995.12x = 174,021.72 × 32,889.12
  4. Step 4: Simplify right side
    115,995.12x = 5,723,421,231.69
  5. Step 5: Solve for x
    x = 5,723,421,231.69/115,995.12
  6. Step 6: Final answer
    x = 49,341.91

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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.