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Finding the Fourth Proportional to 133,892.88, 200,650.53 and 73,948.38

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Solution

The fourth proportional to 133,892.88, 200,650.53 and 73,948.38 is: 110,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,892.88 : 200,650.53 = 73,948.38 : x
  2. Step 2: Convert to fraction form
    133,892.88/200,650.53 = 73,948.38/x
  3. Step 3: Cross multiply
    133,892.88x = 200,650.53 × 73,948.38
  4. Step 4: Simplify right side
    133,892.88x = 14,837,781,639.64
  5. Step 5: Solve for x
    x = 14,837,781,639.64/133,892.88
  6. Step 6: Final answer
    x = 110,818.30

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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.