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Finding the Fourth Proportional to 325,675.59, 488,393.43 and 112,389.09

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Solution

The fourth proportional to 325,675.59, 488,393.43 and 112,389.09 is: 168,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,675.59 : 488,393.43 = 112,389.09 : x
  2. Step 2: Convert to fraction form
    325,675.59/488,393.43 = 112,389.09/x
  3. Step 3: Cross multiply
    325,675.59x = 488,393.43 × 112,389.09
  4. Step 4: Simplify right side
    325,675.59x = 54,890,093,159.68
  5. Step 5: Solve for x
    x = 54,890,093,159.68/325,675.59
  6. Step 6: Final answer
    x = 168,542.24

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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.