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Finding the Fourth Proportional to 341,651.10, 512,553.45 and 105,004.70

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Solution

The fourth proportional to 341,651.10, 512,553.45 and 105,004.70 is: 157,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,651.10 : 512,553.45 = 105,004.70 : x
  2. Step 2: Convert to fraction form
    341,651.10/512,553.45 = 105,004.70/x
  3. Step 3: Cross multiply
    341,651.10x = 512,553.45 × 105,004.70
  4. Step 4: Simplify right side
    341,651.10x = 53,820,521,251.22
  5. Step 5: Solve for x
    x = 53,820,521,251.22/341,651.10
  6. Step 6: Final answer
    x = 157,530.65

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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.