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Finding the Fourth Proportional to 176,491.80, 264,846.36 and 69,857.60

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Solution

The fourth proportional to 176,491.80, 264,846.36 and 69,857.60 is: 104,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,491.80 : 264,846.36 = 69,857.60 : x
  2. Step 2: Convert to fraction form
    176,491.80/264,846.36 = 69,857.60/x
  3. Step 3: Cross multiply
    176,491.80x = 264,846.36 × 69,857.60
  4. Step 4: Simplify right side
    176,491.80x = 18,501,531,391.16
  5. Step 5: Solve for x
    x = 18,501,531,391.16/176,491.80
  6. Step 6: Final answer
    x = 104,829.41

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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.