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Finding the Fourth Proportional to 213,912.32, 295,229.88 and 123,250.91

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Solution

The fourth proportional to 213,912.32, 295,229.88 and 123,250.91 is: 170,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,912.32 : 295,229.88 = 123,250.91 : x
  2. Step 2: Convert to fraction form
    213,912.32/295,229.88 = 123,250.91/x
  3. Step 3: Cross multiply
    213,912.32x = 295,229.88 × 123,250.91
  4. Step 4: Simplify right side
    213,912.32x = 36,387,349,893.04
  5. Step 5: Solve for x
    x = 36,387,349,893.04/213,912.32
  6. Step 6: Final answer
    x = 170,104.04

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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.