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Finding the Fourth Proportional to 325,445.33, 488,200.08 and 112,185.15

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Solution

The fourth proportional to 325,445.33, 488,200.08 and 112,185.15 is: 168,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,445.33 : 488,200.08 = 112,185.15 : x
  2. Step 2: Convert to fraction form
    325,445.33/488,200.08 = 112,185.15/x
  3. Step 3: Cross multiply
    325,445.33x = 488,200.08 × 112,185.15
  4. Step 4: Simplify right side
    325,445.33x = 54,768,799,204.81
  5. Step 5: Solve for x
    x = 54,768,799,204.81/325,445.33
  6. Step 6: Final answer
    x = 168,288.79

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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.