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Finding the Fourth Proportional to 176,650.80, 264,976.20 and 120,663.60

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Solution

The fourth proportional to 176,650.80, 264,976.20 and 120,663.60 is: 180,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,650.80 : 264,976.20 = 120,663.60 : x
  2. Step 2: Convert to fraction form
    176,650.80/264,976.20 = 120,663.60/x
  3. Step 3: Cross multiply
    176,650.80x = 264,976.20 × 120,663.60
  4. Step 4: Simplify right side
    176,650.80x = 31,972,982,206.32
  5. Step 5: Solve for x
    x = 31,972,982,206.32/176,650.80
  6. Step 6: Final answer
    x = 180,995.40

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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.