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Finding the Fourth Proportional to 213,877.62, 295,216.92 and 123,294.17

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Solution

The fourth proportional to 213,877.62, 295,216.92 and 123,294.17 is: 170,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,877.62 : 295,216.92 = 123,294.17 : x
  2. Step 2: Convert to fraction form
    213,877.62/295,216.92 = 123,294.17/x
  3. Step 3: Cross multiply
    213,877.62x = 295,216.92 × 123,294.17
  4. Step 4: Simplify right side
    213,877.62x = 36,398,525,859.40
  5. Step 5: Solve for x
    x = 36,398,525,859.40/213,877.62
  6. Step 6: Final answer
    x = 170,183.89

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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.