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Finding the Fourth Proportional to 536,011.72, 804,134.22 and 162,025

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Solution

The fourth proportional to 536,011.72, 804,134.22 and 162,025 is: 243,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,011.72 : 804,134.22 = 162,025 : x
  2. Step 2: Convert to fraction form
    536,011.72/804,134.22 = 162,025/x
  3. Step 3: Cross multiply
    536,011.72x = 804,134.22 × 162,025
  4. Step 4: Simplify right side
    536,011.72x = 130,289,846,995.50
  5. Step 5: Solve for x
    x = 130,289,846,995.50/536,011.72
  6. Step 6: Final answer
    x = 243,072.76

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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.