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Finding the Fourth Proportional to 68,004.84, 101,903.33 and 28,540.43

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Solution

The fourth proportional to 68,004.84, 101,903.33 and 28,540.43 is: 42,767.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,004.84 : 101,903.33 = 28,540.43 : x
  2. Step 2: Convert to fraction form
    68,004.84/101,903.33 = 28,540.43/x
  3. Step 3: Cross multiply
    68,004.84x = 101,903.33 × 28,540.43
  4. Step 4: Simplify right side
    68,004.84x = 2,908,364,418.47
  5. Step 5: Solve for x
    x = 2,908,364,418.47/68,004.84
  6. Step 6: Final answer
    x = 42,767.02

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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.