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Finding the Fourth Proportional to 247,675.20, 371,502.72 and 114,511.68

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Solution

The fourth proportional to 247,675.20, 371,502.72 and 114,511.68 is: 171,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,675.20 : 371,502.72 = 114,511.68 : x
  2. Step 2: Convert to fraction form
    247,675.20/371,502.72 = 114,511.68/x
  3. Step 3: Cross multiply
    247,675.20x = 371,502.72 × 114,511.68
  4. Step 4: Simplify right side
    247,675.20x = 42,541,400,591.77
  5. Step 5: Solve for x
    x = 42,541,400,591.77/247,675.20
  6. Step 6: Final answer
    x = 171,762.86

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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.