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Finding the Fourth Proportional to 176,554.76, 264,477.56 and 81,651.92

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Solution

The fourth proportional to 176,554.76, 264,477.56 and 81,651.92 is: 122,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,554.76 : 264,477.56 = 81,651.92 : x
  2. Step 2: Convert to fraction form
    176,554.76/264,477.56 = 81,651.92/x
  3. Step 3: Cross multiply
    176,554.76x = 264,477.56 × 81,651.92
  4. Step 4: Simplify right side
    176,554.76x = 21,595,100,570.92
  5. Step 5: Solve for x
    x = 21,595,100,570.92/176,554.76
  6. Step 6: Final answer
    x = 122,313.90

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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.