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Finding the Fourth Proportional to 213,872.57, 295,175.24 and 123,210.89

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Solution

The fourth proportional to 213,872.57, 295,175.24 and 123,210.89 is: 170,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,872.57 : 295,175.24 = 123,210.89 : x
  2. Step 2: Convert to fraction form
    213,872.57/295,175.24 = 123,210.89/x
  3. Step 3: Cross multiply
    213,872.57x = 295,175.24 × 123,210.89
  4. Step 4: Simplify right side
    213,872.57x = 36,368,801,934.43
  5. Step 5: Solve for x
    x = 36,368,801,934.43/213,872.57
  6. Step 6: Final answer
    x = 170,048.94

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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.