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Finding the Fourth Proportional to 175,689.52, 263,313.56 and 75,732.72

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Solution

The fourth proportional to 175,689.52, 263,313.56 and 75,732.72 is: 113,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,689.52 : 263,313.56 = 75,732.72 : x
  2. Step 2: Convert to fraction form
    175,689.52/263,313.56 = 75,732.72/x
  3. Step 3: Cross multiply
    175,689.52x = 263,313.56 × 75,732.72
  4. Step 4: Simplify right side
    175,689.52x = 19,941,452,111.68
  5. Step 5: Solve for x
    x = 19,941,452,111.68/175,689.52
  6. Step 6: Final answer
    x = 113,503.94

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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.