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Finding the Fourth Proportional to 253,103.94, 379,526.49 and 84,563.46

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Solution

The fourth proportional to 253,103.94, 379,526.49 and 84,563.46 is: 126,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,103.94 : 379,526.49 = 84,563.46 : x
  2. Step 2: Convert to fraction form
    253,103.94/379,526.49 = 84,563.46/x
  3. Step 3: Cross multiply
    253,103.94x = 379,526.49 × 84,563.46
  4. Step 4: Simplify right side
    253,103.94x = 32,094,073,156.06
  5. Step 5: Solve for x
    x = 32,094,073,156.06/253,103.94
  6. Step 6: Final answer
    x = 126,801.95

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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.