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Finding the Fourth Proportional to 325,744.60, 488,682.08 and 112,520.29

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Solution

The fourth proportional to 325,744.60, 488,682.08 and 112,520.29 is: 168,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,744.60 : 488,682.08 = 112,520.29 : x
  2. Step 2: Convert to fraction form
    325,744.60/488,682.08 = 112,520.29/x
  3. Step 3: Cross multiply
    325,744.60x = 488,682.08 × 112,520.29
  4. Step 4: Simplify right side
    325,744.60x = 54,986,649,359.40
  5. Step 5: Solve for x
    x = 54,986,649,359.40/325,744.60
  6. Step 6: Final answer
    x = 168,802.95

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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.