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Finding the Fourth Proportional to 96,482.54, 133,144.35 and 54,040.94

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Solution

The fourth proportional to 96,482.54, 133,144.35 and 54,040.94 is: 74,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,482.54 : 133,144.35 = 54,040.94 : x
  2. Step 2: Convert to fraction form
    96,482.54/133,144.35 = 54,040.94/x
  3. Step 3: Cross multiply
    96,482.54x = 133,144.35 × 54,040.94
  4. Step 4: Simplify right side
    96,482.54x = 7,195,245,829.69
  5. Step 5: Solve for x
    x = 7,195,245,829.69/96,482.54
  6. Step 6: Final answer
    x = 74,575.63

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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.