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Finding the Fourth Proportional to 247,874.58, 371,836.47 and 79,352.56

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Solution

The fourth proportional to 247,874.58, 371,836.47 and 79,352.56 is: 119,036.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,874.58 : 371,836.47 = 79,352.56 : x
  2. Step 2: Convert to fraction form
    247,874.58/371,836.47 = 79,352.56/x
  3. Step 3: Cross multiply
    247,874.58x = 371,836.47 × 79,352.56
  4. Step 4: Simplify right side
    247,874.58x = 29,506,176,558.23
  5. Step 5: Solve for x
    x = 29,506,176,558.23/247,874.58
  6. Step 6: Final answer
    x = 119,036.72

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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.