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Finding the Fourth Proportional to 351,329.88, 527,009.39 and 102,011.88

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Solution

The fourth proportional to 351,329.88, 527,009.39 and 102,011.88 is: 153,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,329.88 : 527,009.39 = 102,011.88 : x
  2. Step 2: Convert to fraction form
    351,329.88/527,009.39 = 102,011.88/x
  3. Step 3: Cross multiply
    351,329.88x = 527,009.39 × 102,011.88
  4. Step 4: Simplify right side
    351,329.88x = 53,761,218,651.55
  5. Step 5: Solve for x
    x = 53,761,218,651.55/351,329.88
  6. Step 6: Final answer
    x = 153,022.05

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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.