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Finding the Fourth Proportional to 116,418.93, 174,482.28 and 49,780.68

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Solution

The fourth proportional to 116,418.93, 174,482.28 and 49,780.68 is: 74,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,418.93 : 174,482.28 = 49,780.68 : x
  2. Step 2: Convert to fraction form
    116,418.93/174,482.28 = 49,780.68/x
  3. Step 3: Cross multiply
    116,418.93x = 174,482.28 × 49,780.68
  4. Step 4: Simplify right side
    116,418.93x = 8,685,846,546.35
  5. Step 5: Solve for x
    x = 8,685,846,546.35/116,418.93
  6. Step 6: Final answer
    x = 74,608.54

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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.