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Finding the Fourth Proportional to 73,435, 101,341.12 and 39,901

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Solution

The fourth proportional to 73,435, 101,341.12 and 39,901 is: 55,063.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,435 : 101,341.12 = 39,901 : x
  2. Step 2: Convert to fraction form
    73,435/101,341.12 = 39,901/x
  3. Step 3: Cross multiply
    73,435x = 101,341.12 × 39,901
  4. Step 4: Simplify right side
    73,435x = 4,043,612,029.12
  5. Step 5: Solve for x
    x = 4,043,612,029.12/73,435
  6. Step 6: Final answer
    x = 55,063.83

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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.