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Finding the Fourth Proportional to 238,529.74, 357,811.17 and 80,704.84

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Solution

The fourth proportional to 238,529.74, 357,811.17 and 80,704.84 is: 121,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,529.74 : 357,811.17 = 80,704.84 : x
  2. Step 2: Convert to fraction form
    238,529.74/357,811.17 = 80,704.84/x
  3. Step 3: Cross multiply
    238,529.74x = 357,811.17 × 80,704.84
  4. Step 4: Simplify right side
    238,529.74x = 28,877,093,225.06
  5. Step 5: Solve for x
    x = 28,877,093,225.06/238,529.74
  6. Step 6: Final answer
    x = 121,062.86

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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.