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Finding the Fourth Proportional to 133,367.40, 200,051.10 and 127,243.80

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Solution

The fourth proportional to 133,367.40, 200,051.10 and 127,243.80 is: 190,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,367.40 : 200,051.10 = 127,243.80 : x
  2. Step 2: Convert to fraction form
    133,367.40/200,051.10 = 127,243.80/x
  3. Step 3: Cross multiply
    133,367.40x = 200,051.10 × 127,243.80
  4. Step 4: Simplify right side
    133,367.40x = 25,455,262,158.18
  5. Step 5: Solve for x
    x = 25,455,262,158.18/133,367.40
  6. Step 6: Final answer
    x = 190,865.70

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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.