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Finding the Fourth Proportional to 341,189.50, 511,762.72 and 133,244.74

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Solution

The fourth proportional to 341,189.50, 511,762.72 and 133,244.74 is: 199,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,189.50 : 511,762.72 = 133,244.74 : x
  2. Step 2: Convert to fraction form
    341,189.50/511,762.72 = 133,244.74/x
  3. Step 3: Cross multiply
    341,189.50x = 511,762.72 × 133,244.74
  4. Step 4: Simplify right side
    341,189.50x = 68,189,690,568.09
  5. Step 5: Solve for x
    x = 68,189,690,568.09/341,189.50
  6. Step 6: Final answer
    x = 199,858.70

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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.