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Finding the Fourth Proportional to 133,555.80, 200,333.70 and 127,650.90

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Solution

The fourth proportional to 133,555.80, 200,333.70 and 127,650.90 is: 191,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,555.80 : 200,333.70 = 127,650.90 : x
  2. Step 2: Convert to fraction form
    133,555.80/200,333.70 = 127,650.90/x
  3. Step 3: Cross multiply
    133,555.80x = 200,333.70 × 127,650.90
  4. Step 4: Simplify right side
    133,555.80x = 25,572,777,105.33
  5. Step 5: Solve for x
    x = 25,572,777,105.33/133,555.80
  6. Step 6: Final answer
    x = 191,476.35

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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.