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Finding the Fourth Proportional to 341,375.92, 512,088.33 and 131,013.86

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Solution

The fourth proportional to 341,375.92, 512,088.33 and 131,013.86 is: 196,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,375.92 : 512,088.33 = 131,013.86 : x
  2. Step 2: Convert to fraction form
    341,375.92/512,088.33 = 131,013.86/x
  3. Step 3: Cross multiply
    341,375.92x = 512,088.33 × 131,013.86
  4. Step 4: Simplify right side
    341,375.92x = 67,090,665,968.16
  5. Step 5: Solve for x
    x = 67,090,665,968.16/341,375.92
  6. Step 6: Final answer
    x = 196,530.17

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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.