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Finding the Fourth Proportional to 219,958.40, 303,541.53 and 119,356.40

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Solution

The fourth proportional to 219,958.40, 303,541.53 and 119,356.40 is: 164,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,958.40 : 303,541.53 = 119,356.40 : x
  2. Step 2: Convert to fraction form
    219,958.40/303,541.53 = 119,356.40/x
  3. Step 3: Cross multiply
    219,958.40x = 303,541.53 × 119,356.40
  4. Step 4: Simplify right side
    219,958.40x = 36,229,624,582.56
  5. Step 5: Solve for x
    x = 36,229,624,582.56/219,958.40
  6. Step 6: Final answer
    x = 164,711.26

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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.