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Finding the Fourth Proportional to 250,782.48, 375,883.92 and 115,563.83

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Solution

The fourth proportional to 250,782.48, 375,883.92 and 115,563.83 is: 173,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,782.48 : 375,883.92 = 115,563.83 : x
  2. Step 2: Convert to fraction form
    250,782.48/375,883.92 = 115,563.83/x
  3. Step 3: Cross multiply
    250,782.48x = 375,883.92 × 115,563.83
  4. Step 4: Simplify right side
    250,782.48x = 43,438,583,551.19
  5. Step 5: Solve for x
    x = 43,438,583,551.19/250,782.48
  6. Step 6: Final answer
    x = 173,212.19

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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.