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Finding the Fourth Proportional to 175,765.81, 263,744.70 and 74,548.12

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Solution

The fourth proportional to 175,765.81, 263,744.70 and 74,548.12 is: 111,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,765.81 : 263,744.70 = 74,548.12 : x
  2. Step 2: Convert to fraction form
    175,765.81/263,744.70 = 74,548.12/x
  3. Step 3: Cross multiply
    175,765.81x = 263,744.70 × 74,548.12
  4. Step 4: Simplify right side
    175,765.81x = 19,661,671,874.64
  5. Step 5: Solve for x
    x = 19,661,671,874.64/175,765.81
  6. Step 6: Final answer
    x = 111,862.89

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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.