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Finding the Fourth Proportional to 325,407.97, 488,109.12 and 88,750.27

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Solution

The fourth proportional to 325,407.97, 488,109.12 and 88,750.27 is: 133,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,407.97 : 488,109.12 = 88,750.27 : x
  2. Step 2: Convert to fraction form
    325,407.97/488,109.12 = 88,750.27/x
  3. Step 3: Cross multiply
    325,407.97x = 488,109.12 × 88,750.27
  4. Step 4: Simplify right side
    325,407.97x = 43,319,816,189.46
  5. Step 5: Solve for x
    x = 43,319,816,189.46/325,407.97
  6. Step 6: Final answer
    x = 133,124.63

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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.