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Finding the Fourth Proportional to 243,469.17, 365,243.00 and 74,989.44

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Solution

The fourth proportional to 243,469.17, 365,243.00 and 74,989.44 is: 112,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,469.17 : 365,243.00 = 74,989.44 : x
  2. Step 2: Convert to fraction form
    243,469.17/365,243.00 = 74,989.44/x
  3. Step 3: Cross multiply
    243,469.17x = 365,243.00 × 74,989.44
  4. Step 4: Simplify right side
    243,469.17x = 27,389,367,658.97
  5. Step 5: Solve for x
    x = 27,389,367,658.97/243,469.17
  6. Step 6: Final answer
    x = 112,496.25

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1.5x scale

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.