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Finding the Fourth Proportional to 469,072.10, 703,601.46 and 114,086.76

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Solution

The fourth proportional to 469,072.10, 703,601.46 and 114,086.76 is: 171,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,072.10 : 703,601.46 = 114,086.76 : x
  2. Step 2: Convert to fraction form
    469,072.10/703,601.46 = 114,086.76/x
  3. Step 3: Cross multiply
    469,072.10x = 703,601.46 × 114,086.76
  4. Step 4: Simplify right side
    469,072.10x = 80,271,610,902.67
  5. Step 5: Solve for x
    x = 80,271,610,902.67/469,072.10
  6. Step 6: Final answer
    x = 171,128.51

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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.