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Finding the Fourth Proportional to 273,814.75, 377,864.36 and 154,582.75

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Solution

The fourth proportional to 273,814.75, 377,864.36 and 154,582.75 is: 213,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,814.75 : 377,864.36 = 154,582.75 : x
  2. Step 2: Convert to fraction form
    273,814.75/377,864.36 = 154,582.75/x
  3. Step 3: Cross multiply
    273,814.75x = 377,864.36 × 154,582.75
  4. Step 4: Simplify right side
    273,814.75x = 58,411,311,895.79
  5. Step 5: Solve for x
    x = 58,411,311,895.79/273,814.75
  6. Step 6: Final answer
    x = 213,324.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.