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Finding the Fourth Proportional to 468,925.11, 703,388.55 and 113,939.43

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Solution

The fourth proportional to 468,925.11, 703,388.55 and 113,939.43 is: 170,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,925.11 : 703,388.55 = 113,939.43 : x
  2. Step 2: Convert to fraction form
    468,925.11/703,388.55 = 113,939.43/x
  3. Step 3: Cross multiply
    468,925.11x = 703,388.55 × 113,939.43
  4. Step 4: Simplify right side
    468,925.11x = 80,143,690,455.53
  5. Step 5: Solve for x
    x = 80,143,690,455.53/468,925.11
  6. Step 6: Final answer
    x = 170,909.36

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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.