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Finding the Fourth Proportional to 133,729.60, 200,594.40 and 127,168.60

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Solution

The fourth proportional to 133,729.60, 200,594.40 and 127,168.60 is: 190,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,729.60 : 200,594.40 = 127,168.60 : x
  2. Step 2: Convert to fraction form
    133,729.60/200,594.40 = 127,168.60/x
  3. Step 3: Cross multiply
    133,729.60x = 200,594.40 × 127,168.60
  4. Step 4: Simplify right side
    133,729.60x = 25,509,309,015.84
  5. Step 5: Solve for x
    x = 25,509,309,015.84/133,729.60
  6. Step 6: Final answer
    x = 190,752.90

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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.