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Finding the Fourth Proportional to 300,169.08, 449,856.68 and 157,723.28

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Solution

The fourth proportional to 300,169.08, 449,856.68 and 157,723.28 is: 236,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,169.08 : 449,856.68 = 157,723.28 : x
  2. Step 2: Convert to fraction form
    300,169.08/449,856.68 = 157,723.28/x
  3. Step 3: Cross multiply
    300,169.08x = 449,856.68 × 157,723.28
  4. Step 4: Simplify right side
    300,169.08x = 70,952,871,099.51
  5. Step 5: Solve for x
    x = 70,952,871,099.51/300,169.08
  6. Step 6: Final answer
    x = 236,376.35

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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.