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Finding the Fourth Proportional to 183,622.40, 275,433.60 and 153,879.20

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Solution

The fourth proportional to 183,622.40, 275,433.60 and 153,879.20 is: 230,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,622.40 : 275,433.60 = 153,879.20 : x
  2. Step 2: Convert to fraction form
    183,622.40/275,433.60 = 153,879.20/x
  3. Step 3: Cross multiply
    183,622.40x = 275,433.60 × 153,879.20
  4. Step 4: Simplify right side
    183,622.40x = 42,383,502,021.12
  5. Step 5: Solve for x
    x = 42,383,502,021.12/183,622.40
  6. Step 6: Final answer
    x = 230,818.80

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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.