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Finding the Fourth Proportional to 219,636.40, 303,098.16 and 119,034.40

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Solution

The fourth proportional to 219,636.40, 303,098.16 and 119,034.40 is: 164,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,636.40 : 303,098.16 = 119,034.40 : x
  2. Step 2: Convert to fraction form
    219,636.40/303,098.16 = 119,034.40/x
  3. Step 3: Cross multiply
    219,636.40x = 303,098.16 × 119,034.40
  4. Step 4: Simplify right side
    219,636.40x = 36,079,107,616.70
  5. Step 5: Solve for x
    x = 36,079,107,616.70/219,636.40
  6. Step 6: Final answer
    x = 164,267.43

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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.