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Finding the Fourth Proportional to 73,390, 101,286.84 and 43,582

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Solution

The fourth proportional to 73,390, 101,286.84 and 43,582 is: 60,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,390 : 101,286.84 = 43,582 : x
  2. Step 2: Convert to fraction form
    73,390/101,286.84 = 43,582/x
  3. Step 3: Cross multiply
    73,390x = 101,286.84 × 43,582
  4. Step 4: Simplify right side
    73,390x = 4,414,283,060.88
  5. Step 5: Solve for x
    x = 4,414,283,060.88/73,390
  6. Step 6: Final answer
    x = 60,148.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.