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Finding the Fourth Proportional to 240,690.97, 332,175.82 and 133,261

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Solution

The fourth proportional to 240,690.97, 332,175.82 and 133,261 is: 183,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,690.97 : 332,175.82 = 133,261 : x
  2. Step 2: Convert to fraction form
    240,690.97/332,175.82 = 133,261/x
  3. Step 3: Cross multiply
    240,690.97x = 332,175.82 × 133,261
  4. Step 4: Simplify right side
    240,690.97x = 44,266,081,949.02
  5. Step 5: Solve for x
    x = 44,266,081,949.02/240,690.97
  6. Step 6: Final answer
    x = 183,912.52

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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.