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Finding the Fourth Proportional to 141,576.37, 195,374.96 and 77,914.11

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Solution

The fourth proportional to 141,576.37, 195,374.96 and 77,914.11 is: 107,521.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,576.37 : 195,374.96 = 77,914.11 : x
  2. Step 2: Convert to fraction form
    141,576.37/195,374.96 = 77,914.11/x
  3. Step 3: Cross multiply
    141,576.37x = 195,374.96 × 77,914.11
  4. Step 4: Simplify right side
    141,576.37x = 15,222,466,124.69
  5. Step 5: Solve for x
    x = 15,222,466,124.69/141,576.37
  6. Step 6: Final answer
    x = 107,521.23

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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.