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Finding the Fourth Proportional to 361,665.45, 542,520.72 and 95,426.22

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Solution

The fourth proportional to 361,665.45, 542,520.72 and 95,426.22 is: 143,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,665.45 : 542,520.72 = 95,426.22 : x
  2. Step 2: Convert to fraction form
    361,665.45/542,520.72 = 95,426.22/x
  3. Step 3: Cross multiply
    361,665.45x = 542,520.72 × 95,426.22
  4. Step 4: Simplify right side
    361,665.45x = 51,770,701,581.28
  5. Step 5: Solve for x
    x = 51,770,701,581.28/361,665.45
  6. Step 6: Final answer
    x = 143,145.28

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1.5x scale

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.