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Finding the Fourth Proportional to 133,654.46, 184,443.09 and 73,228.94

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Solution

The fourth proportional to 133,654.46, 184,443.09 and 73,228.94 is: 101,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,654.46 : 184,443.09 = 73,228.94 : x
  2. Step 2: Convert to fraction form
    133,654.46/184,443.09 = 73,228.94/x
  3. Step 3: Cross multiply
    133,654.46x = 184,443.09 × 73,228.94
  4. Step 4: Simplify right side
    133,654.46x = 13,506,571,971.02
  5. Step 5: Solve for x
    x = 13,506,571,971.02/133,654.46
  6. Step 6: Final answer
    x = 101,055.90

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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.