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Finding the Fourth Proportional to 176,550.26, 264,470.81 and 81,647.42

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Solution

The fourth proportional to 176,550.26, 264,470.81 and 81,647.42 is: 122,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,550.26 : 264,470.81 = 81,647.42 : x
  2. Step 2: Convert to fraction form
    176,550.26/264,470.81 = 81,647.42/x
  3. Step 3: Cross multiply
    176,550.26x = 264,470.81 × 81,647.42
  4. Step 4: Simplify right side
    176,550.26x = 21,593,357,571.22
  5. Step 5: Solve for x
    x = 21,593,357,571.22/176,550.26
  6. Step 6: Final answer
    x = 122,307.14

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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.