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Finding the Fourth Proportional to 79,672.94, 119,529.96 and 23,510.78

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Solution

The fourth proportional to 79,672.94, 119,529.96 and 23,510.78 is: 35,272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,672.94 : 119,529.96 = 23,510.78 : x
  2. Step 2: Convert to fraction form
    79,672.94/119,529.96 = 23,510.78/x
  3. Step 3: Cross multiply
    79,672.94x = 119,529.96 × 23,510.78
  4. Step 4: Simplify right side
    79,672.94x = 2,810,242,592.97
  5. Step 5: Solve for x
    x = 2,810,242,592.97/79,672.94
  6. Step 6: Final answer
    x = 35,272.23

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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.