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Finding the Fourth Proportional to 73,866.84, 101,940.63 and 42,035.96

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Solution

The fourth proportional to 73,866.84, 101,940.63 and 42,035.96 is: 58,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,866.84 : 101,940.63 = 42,035.96 : x
  2. Step 2: Convert to fraction form
    73,866.84/101,940.63 = 42,035.96/x
  3. Step 3: Cross multiply
    73,866.84x = 101,940.63 × 42,035.96
  4. Step 4: Simplify right side
    73,866.84x = 4,285,172,342.27
  5. Step 5: Solve for x
    x = 4,285,172,342.27/73,866.84
  6. Step 6: Final answer
    x = 58,012.13

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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.