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Finding the Fourth Proportional to 365,076.24, 547,617.60 and 98,839.20

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Solution

The fourth proportional to 365,076.24, 547,617.60 and 98,839.20 is: 148,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,076.24 : 547,617.60 = 98,839.20 : x
  2. Step 2: Convert to fraction form
    365,076.24/547,617.60 = 98,839.20/x
  3. Step 3: Cross multiply
    365,076.24x = 547,617.60 × 98,839.20
  4. Step 4: Simplify right side
    365,076.24x = 54,126,085,489.92
  5. Step 5: Solve for x
    x = 54,126,085,489.92/365,076.24
  6. Step 6: Final answer
    x = 148,259.68

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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.