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Finding the Fourth Proportional to 141,811.62, 212,642.16 and 41,958.06

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Solution

The fourth proportional to 141,811.62, 212,642.16 and 41,958.06 is: 62,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,811.62 : 212,642.16 = 41,958.06 : x
  2. Step 2: Convert to fraction form
    141,811.62/212,642.16 = 41,958.06/x
  3. Step 3: Cross multiply
    141,811.62x = 212,642.16 × 41,958.06
  4. Step 4: Simplify right side
    141,811.62x = 8,922,052,507.81
  5. Step 5: Solve for x
    x = 8,922,052,507.81/141,811.62
  6. Step 6: Final answer
    x = 62,914.82

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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.