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Finding the Fourth Proportional to 107,997.60, 161,919.54 and 41,381.40

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Solution

The fourth proportional to 107,997.60, 161,919.54 and 41,381.40 is: 62,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,997.60 : 161,919.54 = 41,381.40 : x
  2. Step 2: Convert to fraction form
    107,997.60/161,919.54 = 41,381.40/x
  3. Step 3: Cross multiply
    107,997.60x = 161,919.54 × 41,381.40
  4. Step 4: Simplify right side
    107,997.60x = 6,700,457,252.56
  5. Step 5: Solve for x
    x = 6,700,457,252.56/107,997.60
  6. Step 6: Final answer
    x = 62,042.65

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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.