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Finding the Fourth Proportional to 176,324.02, 264,530.78 and 81,622.46

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Solution

The fourth proportional to 176,324.02, 264,530.78 and 81,622.46 is: 122,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,324.02 : 264,530.78 = 81,622.46 : x
  2. Step 2: Convert to fraction form
    176,324.02/264,530.78 = 81,622.46/x
  3. Step 3: Cross multiply
    176,324.02x = 264,530.78 × 81,622.46
  4. Step 4: Simplify right side
    176,324.02x = 21,591,653,009.32
  5. Step 5: Solve for x
    x = 21,591,653,009.32/176,324.02
  6. Step 6: Final answer
    x = 122,454.41

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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.