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Finding the Fourth Proportional to 219,609.75, 303,061.46 and 119,007.75

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Solution

The fourth proportional to 219,609.75, 303,061.46 and 119,007.75 is: 164,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,609.75 : 303,061.46 = 119,007.75 : x
  2. Step 2: Convert to fraction form
    219,609.75/303,061.46 = 119,007.75/x
  3. Step 3: Cross multiply
    219,609.75x = 303,061.46 × 119,007.75
  4. Step 4: Simplify right side
    219,609.75x = 36,066,661,871.28
  5. Step 5: Solve for x
    x = 36,066,661,871.28/219,609.75
  6. Step 6: Final answer
    x = 164,230.70

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1.5x scale

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.