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Finding the Fourth Proportional to 133,106.62, 199,342.41 and 73,795.18

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Solution

The fourth proportional to 133,106.62, 199,342.41 and 73,795.18 is: 110,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,106.62 : 199,342.41 = 73,795.18 : x
  2. Step 2: Convert to fraction form
    133,106.62/199,342.41 = 73,795.18/x
  3. Step 3: Cross multiply
    133,106.62x = 199,342.41 × 73,795.18
  4. Step 4: Simplify right side
    133,106.62x = 14,710,509,027.58
  5. Step 5: Solve for x
    x = 14,710,509,027.58/133,106.62
  6. Step 6: Final answer
    x = 110,516.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.