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Finding the Fourth Proportional to 325,041.75, 487,652.33 and 135,591.16

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Solution

The fourth proportional to 325,041.75, 487,652.33 and 135,591.16 is: 203,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,041.75 : 487,652.33 = 135,591.16 : x
  2. Step 2: Convert to fraction form
    325,041.75/487,652.33 = 135,591.16/x
  3. Step 3: Cross multiply
    325,041.75x = 487,652.33 × 135,591.16
  4. Step 4: Simplify right side
    325,041.75x = 66,121,345,101.40
  5. Step 5: Solve for x
    x = 66,121,345,101.40/325,041.75
  6. Step 6: Final answer
    x = 203,424.16

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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.