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Finding the Fourth Proportional to 117,115.58, 175,706.04 and 38,234.54

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Solution

The fourth proportional to 117,115.58, 175,706.04 and 38,234.54 is: 57,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,115.58 : 175,706.04 = 38,234.54 : x
  2. Step 2: Convert to fraction form
    117,115.58/175,706.04 = 38,234.54/x
  3. Step 3: Cross multiply
    117,115.58x = 175,706.04 × 38,234.54
  4. Step 4: Simplify right side
    117,115.58x = 6,718,039,614.62
  5. Step 5: Solve for x
    x = 6,718,039,614.62/117,115.58
  6. Step 6: Final answer
    x = 57,362.48

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1.5x scale

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.