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Finding the Fourth Proportional to 117,234.60, 175,851.96 and 28,488.03

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Solution

The fourth proportional to 117,234.60, 175,851.96 and 28,488.03 is: 42,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,234.60 : 175,851.96 = 28,488.03 : x
  2. Step 2: Convert to fraction form
    117,234.60/175,851.96 = 28,488.03/x
  3. Step 3: Cross multiply
    117,234.60x = 175,851.96 × 28,488.03
  4. Step 4: Simplify right side
    117,234.60x = 5,009,675,912.04
  5. Step 5: Solve for x
    x = 5,009,675,912.04/117,234.60
  6. Step 6: Final answer
    x = 42,732.06

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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.