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Finding the Fourth Proportional to 247,169.13, 370,864.44 and 113,977.98

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Solution

The fourth proportional to 247,169.13, 370,864.44 and 113,977.98 is: 171,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,169.13 : 370,864.44 = 113,977.98 : x
  2. Step 2: Convert to fraction form
    247,169.13/370,864.44 = 113,977.98/x
  3. Step 3: Cross multiply
    247,169.13x = 370,864.44 × 113,977.98
  4. Step 4: Simplify right side
    247,169.13x = 42,270,379,725.03
  5. Step 5: Solve for x
    x = 42,270,379,725.03/247,169.13
  6. Step 6: Final answer
    x = 171,018.04

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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.