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Finding the Fourth Proportional to 303,757.10, 455,592.45 and 104,086.70

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Solution

The fourth proportional to 303,757.10, 455,592.45 and 104,086.70 is: 156,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,757.10 : 455,592.45 = 104,086.70 : x
  2. Step 2: Convert to fraction form
    303,757.10/455,592.45 = 104,086.70/x
  3. Step 3: Cross multiply
    303,757.10x = 455,592.45 × 104,086.70
  4. Step 4: Simplify right side
    303,757.10x = 47,421,114,665.42
  5. Step 5: Solve for x
    x = 47,421,114,665.42/303,757.10
  6. Step 6: Final answer
    x = 156,115.25

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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.