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Finding the Fourth Proportional to 133,617.34, 184,392 and 73,188.99

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Solution

The fourth proportional to 133,617.34, 184,392 and 73,188.99 is: 101,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,617.34 : 184,392 = 73,188.99 : x
  2. Step 2: Convert to fraction form
    133,617.34/184,392 = 73,188.99/x
  3. Step 3: Cross multiply
    133,617.34x = 184,392 × 73,188.99
  4. Step 4: Simplify right side
    133,617.34x = 13,495,464,244.08
  5. Step 5: Solve for x
    x = 13,495,464,244.08/133,617.34
  6. Step 6: Final answer
    x = 101,000.85

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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.