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Finding the Fourth Proportional to 468,923.36, 703,385.92 and 113,937.68

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Solution

The fourth proportional to 468,923.36, 703,385.92 and 113,937.68 is: 170,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,923.36 : 703,385.92 = 113,937.68 : x
  2. Step 2: Convert to fraction form
    468,923.36/703,385.92 = 113,937.68/x
  3. Step 3: Cross multiply
    468,923.36x = 703,385.92 × 113,937.68
  4. Step 4: Simplify right side
    468,923.36x = 80,142,159,869.47
  5. Step 5: Solve for x
    x = 80,142,159,869.47/468,923.36
  6. Step 6: Final answer
    x = 170,906.73

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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.