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Finding the Fourth Proportional to 176,073.84, 263,884.32 and 79,940.88

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Solution

The fourth proportional to 176,073.84, 263,884.32 and 79,940.88 is: 119,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,073.84 : 263,884.32 = 79,940.88 : x
  2. Step 2: Convert to fraction form
    176,073.84/263,884.32 = 79,940.88/x
  3. Step 3: Cross multiply
    176,073.84x = 263,884.32 × 79,940.88
  4. Step 4: Simplify right side
    176,073.84x = 21,095,144,759.00
  5. Step 5: Solve for x
    x = 21,095,144,759.00/176,073.84
  6. Step 6: Final answer
    x = 119,808.51

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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.