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Finding the Fourth Proportional to 96,310.54, 144,443.13 and 54,208.54

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Solution

The fourth proportional to 96,310.54, 144,443.13 and 54,208.54 is: 81,300.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,310.54 : 144,443.13 = 54,208.54 : x
  2. Step 2: Convert to fraction form
    96,310.54/144,443.13 = 54,208.54/x
  3. Step 3: Cross multiply
    96,310.54x = 144,443.13 × 54,208.54
  4. Step 4: Simplify right side
    96,310.54x = 7,830,051,190.33
  5. Step 5: Solve for x
    x = 7,830,051,190.33/96,310.54
  6. Step 6: Final answer
    x = 81,300.04

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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.