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Finding the Fourth Proportional to 199,392.39, 275,153.90 and 109,968.39

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Solution

The fourth proportional to 199,392.39, 275,153.90 and 109,968.39 is: 151,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,392.39 : 275,153.90 = 109,968.39 : x
  2. Step 2: Convert to fraction form
    199,392.39/275,153.90 = 109,968.39/x
  3. Step 3: Cross multiply
    199,392.39x = 275,153.90 × 109,968.39
  4. Step 4: Simplify right side
    199,392.39x = 30,258,230,835.38
  5. Step 5: Solve for x
    x = 30,258,230,835.38/199,392.39
  6. Step 6: Final answer
    x = 151,752.18

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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.