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Finding the Fourth Proportional to 222,963.43, 307,601.95 and 127,418.87

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Solution

The fourth proportional to 222,963.43, 307,601.95 and 127,418.87 is: 175,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,963.43 : 307,601.95 = 127,418.87 : x
  2. Step 2: Convert to fraction form
    222,963.43/307,601.95 = 127,418.87/x
  3. Step 3: Cross multiply
    222,963.43x = 307,601.95 × 127,418.87
  4. Step 4: Simplify right side
    222,963.43x = 39,194,292,878.80
  5. Step 5: Solve for x
    x = 39,194,292,878.80/222,963.43
  6. Step 6: Final answer
    x = 175,787.99

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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.