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Finding the Fourth Proportional to 133,092.40, 199,062.60 and 119,153.20

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Solution

The fourth proportional to 133,092.40, 199,062.60 and 119,153.20 is: 178,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,092.40 : 199,062.60 = 119,153.20 : x
  2. Step 2: Convert to fraction form
    133,092.40/199,062.60 = 119,153.20/x
  3. Step 3: Cross multiply
    133,092.40x = 199,062.60 × 119,153.20
  4. Step 4: Simplify right side
    133,092.40x = 23,718,945,790.32
  5. Step 5: Solve for x
    x = 23,718,945,790.32/133,092.40
  6. Step 6: Final answer
    x = 178,214.13

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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.