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Finding the Fourth Proportional to 82,529.88, 123,795.02 and 29,939.41

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Solution

The fourth proportional to 82,529.88, 123,795.02 and 29,939.41 is: 44,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,529.88 : 123,795.02 = 29,939.41 : x
  2. Step 2: Convert to fraction form
    82,529.88/123,795.02 = 29,939.41/x
  3. Step 3: Cross multiply
    82,529.88x = 123,795.02 × 29,939.41
  4. Step 4: Simplify right side
    82,529.88x = 3,706,349,859.74
  5. Step 5: Solve for x
    x = 3,706,349,859.74/82,529.88
  6. Step 6: Final answer
    x = 44,909.19

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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.