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Finding the Fourth Proportional to 351,378.75, 527,082.71 and 102,060.75

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Solution

The fourth proportional to 351,378.75, 527,082.71 and 102,060.75 is: 153,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,378.75 : 527,082.71 = 102,060.75 : x
  2. Step 2: Convert to fraction form
    351,378.75/527,082.71 = 102,060.75/x
  3. Step 3: Cross multiply
    351,378.75x = 527,082.71 × 102,060.75
  4. Step 4: Simplify right side
    351,378.75x = 53,794,456,694.63
  5. Step 5: Solve for x
    x = 53,794,456,694.63/351,378.75
  6. Step 6: Final answer
    x = 153,095.36

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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.