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Finding the Fourth Proportional to 355,096.05, 532,718.88 and 115,191.22

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Solution

The fourth proportional to 355,096.05, 532,718.88 and 115,191.22 is: 172,811.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,096.05 : 532,718.88 = 115,191.22 : x
  2. Step 2: Convert to fraction form
    355,096.05/532,718.88 = 115,191.22/x
  3. Step 3: Cross multiply
    355,096.05x = 532,718.88 × 115,191.22
  4. Step 4: Simplify right side
    355,096.05x = 61,364,536,372.44
  5. Step 5: Solve for x
    x = 61,364,536,372.44/355,096.05
  6. Step 6: Final answer
    x = 172,811.09

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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.