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Finding the Fourth Proportional to 247,464.48, 371,166.16 and 105,366.88

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Solution

The fourth proportional to 247,464.48, 371,166.16 and 105,366.88 is: 158,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,464.48 : 371,166.16 = 105,366.88 : x
  2. Step 2: Convert to fraction form
    247,464.48/371,166.16 = 105,366.88/x
  3. Step 3: Cross multiply
    247,464.48x = 371,166.16 × 105,366.88
  4. Step 4: Simplify right side
    247,464.48x = 39,108,620,240.78
  5. Step 5: Solve for x
    x = 39,108,620,240.78/247,464.48
  6. Step 6: Final answer
    x = 158,037.31

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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.