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Finding the Fourth Proportional to 133,607.41, 184,371.65 and 73,178.32

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Solution

The fourth proportional to 133,607.41, 184,371.65 and 73,178.32 is: 100,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,607.41 : 184,371.65 = 73,178.32 : x
  2. Step 2: Convert to fraction form
    133,607.41/184,371.65 = 73,178.32/x
  3. Step 3: Cross multiply
    133,607.41x = 184,371.65 × 73,178.32
  4. Step 4: Simplify right side
    133,607.41x = 13,492,007,236.74
  5. Step 5: Solve for x
    x = 13,492,007,236.74/133,607.41
  6. Step 6: Final answer
    x = 100,982.48

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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.