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Finding the Fourth Proportional to 133,616.84, 184,391.31 and 73,188.49

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Solution

The fourth proportional to 133,616.84, 184,391.31 and 73,188.49 is: 101,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,616.84 : 184,391.31 = 73,188.49 : x
  2. Step 2: Convert to fraction form
    133,616.84/184,391.31 = 73,188.49/x
  3. Step 3: Cross multiply
    133,616.84x = 184,391.31 × 73,188.49
  4. Step 4: Simplify right side
    133,616.84x = 13,495,321,548.02
  5. Step 5: Solve for x
    x = 13,495,321,548.02/133,616.84
  6. Step 6: Final answer
    x = 101,000.15

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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.