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Finding the Fourth Proportional to 73,510.66, 101,409.94 and 49,645.63

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Solution

The fourth proportional to 73,510.66, 101,409.94 and 49,645.63 is: 68,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,510.66 : 101,409.94 = 49,645.63 : x
  2. Step 2: Convert to fraction form
    73,510.66/101,409.94 = 49,645.63/x
  3. Step 3: Cross multiply
    73,510.66x = 101,409.94 × 49,645.63
  4. Step 4: Simplify right side
    73,510.66x = 5,034,560,359.56
  5. Step 5: Solve for x
    x = 5,034,560,359.56/73,510.66
  6. Step 6: Final answer
    x = 68,487.49

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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.