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Finding the Fourth Proportional to 135,395.34, 203,004.45 and 127,960.62

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Solution

The fourth proportional to 135,395.34, 203,004.45 and 127,960.62 is: 191,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,395.34 : 203,004.45 = 127,960.62 : x
  2. Step 2: Convert to fraction form
    135,395.34/203,004.45 = 127,960.62/x
  3. Step 3: Cross multiply
    135,395.34x = 203,004.45 × 127,960.62
  4. Step 4: Simplify right side
    135,395.34x = 25,976,575,284.76
  5. Step 5: Solve for x
    x = 25,976,575,284.76/135,395.34
  6. Step 6: Final answer
    x = 191,857.23

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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.