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Finding the Fourth Proportional to 251,788.89, 377,693.75 and 74,295.90

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Solution

The fourth proportional to 251,788.89, 377,693.75 and 74,295.90 is: 111,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,788.89 : 377,693.75 = 74,295.90 : x
  2. Step 2: Convert to fraction form
    251,788.89/377,693.75 = 74,295.90/x
  3. Step 3: Cross multiply
    251,788.89x = 377,693.75 × 74,295.90
  4. Step 4: Simplify right side
    251,788.89x = 28,061,097,266.36
  5. Step 5: Solve for x
    x = 28,061,097,266.36/251,788.89
  6. Step 6: Final answer
    x = 111,446.92

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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.