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Finding the Fourth Proportional to 335,963.70, 504,139.95 and 125,622.90

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Solution

The fourth proportional to 335,963.70, 504,139.95 and 125,622.90 is: 188,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,963.70 : 504,139.95 = 125,622.90 : x
  2. Step 2: Convert to fraction form
    335,963.70/504,139.95 = 125,622.90/x
  3. Step 3: Cross multiply
    335,963.70x = 504,139.95 × 125,622.90
  4. Step 4: Simplify right side
    335,963.70x = 63,331,522,524.86
  5. Step 5: Solve for x
    x = 63,331,522,524.86/335,963.70
  6. Step 6: Final answer
    x = 188,507.04

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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.