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Finding the Fourth Proportional to 133,353.40, 200,030.10 and 127,229.80

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Solution

The fourth proportional to 133,353.40, 200,030.10 and 127,229.80 is: 190,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,353.40 : 200,030.10 = 127,229.80 : x
  2. Step 2: Convert to fraction form
    133,353.40/200,030.10 = 127,229.80/x
  3. Step 3: Cross multiply
    133,353.40x = 200,030.10 × 127,229.80
  4. Step 4: Simplify right side
    133,353.40x = 25,449,789,616.98
  5. Step 5: Solve for x
    x = 25,449,789,616.98/133,353.40
  6. Step 6: Final answer
    x = 190,844.70

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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.