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Finding the Fourth Proportional to 133,607.34, 184,378.21 and 73,177.97

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Solution

The fourth proportional to 133,607.34, 184,378.21 and 73,177.97 is: 100,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,607.34 : 184,378.21 = 73,177.97 : x
  2. Step 2: Convert to fraction form
    133,607.34/184,378.21 = 73,177.97/x
  3. Step 3: Cross multiply
    133,607.34x = 184,378.21 × 73,177.97
  4. Step 4: Simplify right side
    133,607.34x = 13,492,422,015.20
  5. Step 5: Solve for x
    x = 13,492,422,015.20/133,607.34
  6. Step 6: Final answer
    x = 100,985.63

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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.