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Finding the Fourth Proportional to 141,246.27, 194,914.62 and 77,580.27

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Solution

The fourth proportional to 141,246.27, 194,914.62 and 77,580.27 is: 107,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,246.27 : 194,914.62 = 77,580.27 : x
  2. Step 2: Convert to fraction form
    141,246.27/194,914.62 = 77,580.27/x
  3. Step 3: Cross multiply
    141,246.27x = 194,914.62 × 77,580.27
  4. Step 4: Simplify right side
    141,246.27x = 15,121,528,846.55
  5. Step 5: Solve for x
    x = 15,121,528,846.55/141,246.27
  6. Step 6: Final answer
    x = 107,057.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.