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Finding the Fourth Proportional to 176,586.20, 264,879.30 and 45,258.20

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Solution

The fourth proportional to 176,586.20, 264,879.30 and 45,258.20 is: 67,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,586.20 : 264,879.30 = 45,258.20 : x
  2. Step 2: Convert to fraction form
    176,586.20/264,879.30 = 45,258.20/x
  3. Step 3: Cross multiply
    176,586.20x = 264,879.30 × 45,258.20
  4. Step 4: Simplify right side
    176,586.20x = 11,987,959,010.86
  5. Step 5: Solve for x
    x = 11,987,959,010.86/176,586.20
  6. Step 6: Final answer
    x = 67,887.29

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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.