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Finding the Fourth Proportional to 133,787.72, 184,624.94 and 73,358.88

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Solution

The fourth proportional to 133,787.72, 184,624.94 and 73,358.88 is: 101,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,787.72 : 184,624.94 = 73,358.88 : x
  2. Step 2: Convert to fraction form
    133,787.72/184,624.94 = 73,358.88/x
  3. Step 3: Cross multiply
    133,787.72x = 184,624.94 × 73,358.88
  4. Step 4: Simplify right side
    133,787.72x = 13,543,878,818.47
  5. Step 5: Solve for x
    x = 13,543,878,818.47/133,787.72
  6. Step 6: Final answer
    x = 101,234.10

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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.