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Finding the Fourth Proportional to 133,338.40, 184,006.16 and 73,722.40

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Solution

The fourth proportional to 133,338.40, 184,006.16 and 73,722.40 is: 101,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,338.40 : 184,006.16 = 73,722.40 : x
  2. Step 2: Convert to fraction form
    133,338.40/184,006.16 = 73,722.40/x
  3. Step 3: Cross multiply
    133,338.40x = 184,006.16 × 73,722.40
  4. Step 4: Simplify right side
    133,338.40x = 13,565,375,729.98
  5. Step 5: Solve for x
    x = 13,565,375,729.98/133,338.40
  6. Step 6: Final answer
    x = 101,736.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.