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Finding the Fourth Proportional to 183,959.96, 276,046.36 and 77,335.48

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Solution

The fourth proportional to 183,959.96, 276,046.36 and 77,335.48 is: 116,047.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,959.96 : 276,046.36 = 77,335.48 : x
  2. Step 2: Convert to fraction form
    183,959.96/276,046.36 = 77,335.48/x
  3. Step 3: Cross multiply
    183,959.96x = 276,046.36 × 77,335.48
  4. Step 4: Simplify right side
    183,959.96x = 21,348,177,752.85
  5. Step 5: Solve for x
    x = 21,348,177,752.85/183,959.96
  6. Step 6: Final answer
    x = 116,047.96

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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.