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Finding the Fourth Proportional to 199,392.14, 275,153.55 and 109,968.14

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Solution

The fourth proportional to 199,392.14, 275,153.55 and 109,968.14 is: 151,751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,392.14 : 275,153.55 = 109,968.14 : x
  2. Step 2: Convert to fraction form
    199,392.14/275,153.55 = 109,968.14/x
  3. Step 3: Cross multiply
    199,392.14x = 275,153.55 × 109,968.14
  4. Step 4: Simplify right side
    199,392.14x = 30,258,124,107.90
  5. Step 5: Solve for x
    x = 30,258,124,107.90/199,392.14
  6. Step 6: Final answer
    x = 151,751.84

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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.