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Finding the Fourth Proportional to 325,615.10, 488,276.85 and 125,869.10

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Solution

The fourth proportional to 325,615.10, 488,276.85 and 125,869.10 is: 188,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,615.10 : 488,276.85 = 125,869.10 : x
  2. Step 2: Convert to fraction form
    325,615.10/488,276.85 = 125,869.10/x
  3. Step 3: Cross multiply
    325,615.10x = 488,276.85 × 125,869.10
  4. Step 4: Simplify right side
    325,615.10x = 61,458,967,660.34
  5. Step 5: Solve for x
    x = 61,458,967,660.34/325,615.10
  6. Step 6: Final answer
    x = 188,747.29

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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.