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Finding the Fourth Proportional to 117,960.20, 176,940.30 and 33,720.20

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Solution

The fourth proportional to 117,960.20, 176,940.30 and 33,720.20 is: 50,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,960.20 : 176,940.30 = 33,720.20 : x
  2. Step 2: Convert to fraction form
    117,960.20/176,940.30 = 33,720.20/x
  3. Step 3: Cross multiply
    117,960.20x = 176,940.30 × 33,720.20
  4. Step 4: Simplify right side
    117,960.20x = 5,966,462,304.06
  5. Step 5: Solve for x
    x = 5,966,462,304.06/117,960.20
  6. Step 6: Final answer
    x = 50,580.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.