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Finding the Fourth Proportional to 133,940.61, 200,941.61 and 58,051.89

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Solution

The fourth proportional to 133,940.61, 200,941.61 and 58,051.89 is: 87,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,940.61 : 200,941.61 = 58,051.89 : x
  2. Step 2: Convert to fraction form
    133,940.61/200,941.61 = 58,051.89/x
  3. Step 3: Cross multiply
    133,940.61x = 200,941.61 × 58,051.89
  4. Step 4: Simplify right side
    133,940.61x = 11,665,039,949.88
  5. Step 5: Solve for x
    x = 11,665,039,949.88/133,940.61
  6. Step 6: Final answer
    x = 87,091.14

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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.