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Finding the Fourth Proportional to 243,480.44, 365,186.64 and 83,553.86

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Solution

The fourth proportional to 243,480.44, 365,186.64 and 83,553.86 is: 125,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,480.44 : 365,186.64 = 83,553.86 : x
  2. Step 2: Convert to fraction form
    243,480.44/365,186.64 = 83,553.86/x
  3. Step 3: Cross multiply
    243,480.44x = 365,186.64 × 83,553.86
  4. Step 4: Simplify right side
    243,480.44x = 30,512,753,392.43
  5. Step 5: Solve for x
    x = 30,512,753,392.43/243,480.44
  6. Step 6: Final answer
    x = 125,319.12

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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.