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Finding the Fourth Proportional to 117,995.94, 176,889.02 and 84,632.04

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Solution

The fourth proportional to 117,995.94, 176,889.02 and 84,632.04 is: 126,872.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,995.94 : 176,889.02 = 84,632.04 : x
  2. Step 2: Convert to fraction form
    117,995.94/176,889.02 = 84,632.04/x
  3. Step 3: Cross multiply
    117,995.94x = 176,889.02 × 84,632.04
  4. Step 4: Simplify right side
    117,995.94x = 14,970,478,193.04
  5. Step 5: Solve for x
    x = 14,970,478,193.04/117,995.94
  6. Step 6: Final answer
    x = 126,872.82

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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.