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Finding the Fourth Proportional to 193,463.36, 267,033.12 and 112,907.84

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Solution

The fourth proportional to 193,463.36, 267,033.12 and 112,907.84 is: 155,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,463.36 : 267,033.12 = 112,907.84 : x
  2. Step 2: Convert to fraction form
    193,463.36/267,033.12 = 112,907.84/x
  3. Step 3: Cross multiply
    193,463.36x = 267,033.12 × 112,907.84
  4. Step 4: Simplify right side
    193,463.36x = 30,150,132,787.66
  5. Step 5: Solve for x
    x = 30,150,132,787.66/193,463.36
  6. Step 6: Final answer
    x = 155,844.15

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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.