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Finding the Fourth Proportional to 219,590.97, 303,033.05 and 118,988.97

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Solution

The fourth proportional to 219,590.97, 303,033.05 and 118,988.97 is: 164,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,590.97 : 303,033.05 = 118,988.97 : x
  2. Step 2: Convert to fraction form
    219,590.97/303,033.05 = 118,988.97/x
  3. Step 3: Cross multiply
    219,590.97x = 303,033.05 × 118,988.97
  4. Step 4: Simplify right side
    219,590.97x = 36,057,589,210.35
  5. Step 5: Solve for x
    x = 36,057,589,210.35/219,590.97
  6. Step 6: Final answer
    x = 164,203.43

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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.