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Finding the Fourth Proportional to 68,573.79, 102,862.71 and 24,231.15

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Solution

The fourth proportional to 68,573.79, 102,862.71 and 24,231.15 is: 36,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,573.79 : 102,862.71 = 24,231.15 : x
  2. Step 2: Convert to fraction form
    68,573.79/102,862.71 = 24,231.15/x
  3. Step 3: Cross multiply
    68,573.79x = 102,862.71 × 24,231.15
  4. Step 4: Simplify right side
    68,573.79x = 2,492,481,755.42
  5. Step 5: Solve for x
    x = 2,492,481,755.42/68,573.79
  6. Step 6: Final answer
    x = 36,347.44

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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.