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Finding the Fourth Proportional to 325,119.52, 487,630.02 and 88,480.65

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Solution

The fourth proportional to 325,119.52, 487,630.02 and 88,480.65 is: 132,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,119.52 : 487,630.02 = 88,480.65 : x
  2. Step 2: Convert to fraction form
    325,119.52/487,630.02 = 88,480.65/x
  3. Step 3: Cross multiply
    325,119.52x = 487,630.02 × 88,480.65
  4. Step 4: Simplify right side
    325,119.52x = 43,145,823,289.53
  5. Step 5: Solve for x
    x = 43,145,823,289.53/325,119.52
  6. Step 6: Final answer
    x = 132,707.58

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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.