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Finding the Fourth Proportional to 96,120, 132,635.88 and 55,283.04

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Solution

The fourth proportional to 96,120, 132,635.88 and 55,283.04 is: 76,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,120 : 132,635.88 = 55,283.04 : x
  2. Step 2: Convert to fraction form
    96,120/132,635.88 = 55,283.04/x
  3. Step 3: Cross multiply
    96,120x = 132,635.88 × 55,283.04
  4. Step 4: Simplify right side
    96,120x = 7,332,514,659.48
  5. Step 5: Solve for x
    x = 7,332,514,659.48/96,120
  6. Step 6: Final answer
    x = 76,285.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.