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Finding the Fourth Proportional to 351,799.80, 527,659.20 and 102,481.80

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Solution

The fourth proportional to 351,799.80, 527,659.20 and 102,481.80 is: 153,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,799.80 : 527,659.20 = 102,481.80 : x
  2. Step 2: Convert to fraction form
    351,799.80/527,659.20 = 102,481.80/x
  3. Step 3: Cross multiply
    351,799.80x = 527,659.20 × 102,481.80
  4. Step 4: Simplify right side
    351,799.80x = 54,075,464,602.56
  5. Step 5: Solve for x
    x = 54,075,464,602.56/351,799.80
  6. Step 6: Final answer
    x = 153,710.90

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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.