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Finding the Fourth Proportional to 144,458.78, 216,717.72 and 49,676.65

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Solution

The fourth proportional to 144,458.78, 216,717.72 and 49,676.65 is: 74,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,458.78 : 216,717.72 = 49,676.65 : x
  2. Step 2: Convert to fraction form
    144,458.78/216,717.72 = 49,676.65/x
  3. Step 3: Cross multiply
    144,458.78x = 216,717.72 × 49,676.65
  4. Step 4: Simplify right side
    144,458.78x = 10,765,810,325.24
  5. Step 5: Solve for x
    x = 10,765,810,325.24/144,458.78
  6. Step 6: Final answer
    x = 74,525.14

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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.