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Finding the Fourth Proportional to 179,706.32, 269,611.32 and 74,505.68

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Solution

The fourth proportional to 179,706.32, 269,611.32 and 74,505.68 is: 111,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,706.32 : 269,611.32 = 74,505.68 : x
  2. Step 2: Convert to fraction form
    179,706.32/269,611.32 = 74,505.68/x
  3. Step 3: Cross multiply
    179,706.32x = 269,611.32 × 74,505.68
  4. Step 4: Simplify right side
    179,706.32x = 20,087,574,732.30
  5. Step 5: Solve for x
    x = 20,087,574,732.30/179,706.32
  6. Step 6: Final answer
    x = 111,780.01

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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.