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Finding the Fourth Proportional to 468,711.48, 703,183.86 and 136,287.48

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Solution

The fourth proportional to 468,711.48, 703,183.86 and 136,287.48 is: 204,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,711.48 : 703,183.86 = 136,287.48 : x
  2. Step 2: Convert to fraction form
    468,711.48/703,183.86 = 136,287.48/x
  3. Step 3: Cross multiply
    468,711.48x = 703,183.86 × 136,287.48
  4. Step 4: Simplify right side
    468,711.48x = 95,835,156,256.07
  5. Step 5: Solve for x
    x = 95,835,156,256.07/468,711.48
  6. Step 6: Final answer
    x = 204,465.14

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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.