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Finding the Fourth Proportional to 115,804.38, 173,743.48 and 51,752.62

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Solution

The fourth proportional to 115,804.38, 173,743.48 and 51,752.62 is: 77,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,804.38 : 173,743.48 = 51,752.62 : x
  2. Step 2: Convert to fraction form
    115,804.38/173,743.48 = 51,752.62/x
  3. Step 3: Cross multiply
    115,804.38x = 173,743.48 × 51,752.62
  4. Step 4: Simplify right side
    115,804.38x = 8,991,680,579.79
  5. Step 5: Solve for x
    x = 8,991,680,579.79/115,804.38
  6. Step 6: Final answer
    x = 77,645.42

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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.