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Finding the Fourth Proportional to 222,787.35, 307,418.22 and 127,300.23

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Solution

The fourth proportional to 222,787.35, 307,418.22 and 127,300.23 is: 175,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,787.35 : 307,418.22 = 127,300.23 : x
  2. Step 2: Convert to fraction form
    222,787.35/307,418.22 = 127,300.23/x
  3. Step 3: Cross multiply
    222,787.35x = 307,418.22 × 127,300.23
  4. Step 4: Simplify right side
    222,787.35x = 39,134,410,112.19
  5. Step 5: Solve for x
    x = 39,134,410,112.19/222,787.35
  6. Step 6: Final answer
    x = 175,658.13

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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.