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Finding the Fourth Proportional to 365,897.63, 548,898.73 and 113,199.69

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Solution

The fourth proportional to 365,897.63, 548,898.73 and 113,199.69 is: 169,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,897.63 : 548,898.73 = 113,199.69 : x
  2. Step 2: Convert to fraction form
    365,897.63/548,898.73 = 113,199.69/x
  3. Step 3: Cross multiply
    365,897.63x = 548,898.73 × 113,199.69
  4. Step 4: Simplify right side
    365,897.63x = 62,135,165,537.10
  5. Step 5: Solve for x
    x = 62,135,165,537.10/365,897.63
  6. Step 6: Final answer
    x = 169,815.71

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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.