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Finding the Fourth Proportional to 133,408.34, 200,139.28 and 49,168.92

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Solution

The fourth proportional to 133,408.34, 200,139.28 and 49,168.92 is: 73,763.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,408.34 : 200,139.28 = 49,168.92 : x
  2. Step 2: Convert to fraction form
    133,408.34/200,139.28 = 49,168.92/x
  3. Step 3: Cross multiply
    133,408.34x = 200,139.28 × 49,168.92
  4. Step 4: Simplify right side
    133,408.34x = 9,840,632,247.18
  5. Step 5: Solve for x
    x = 9,840,632,247.18/133,408.34
  6. Step 6: Final answer
    x = 73,763.25

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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.