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Finding the Fourth Proportional to 171,892.71, 257,842.47 and 59,576.60

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Solution

The fourth proportional to 171,892.71, 257,842.47 and 59,576.60 is: 89,366.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,892.71 : 257,842.47 = 59,576.60 : x
  2. Step 2: Convert to fraction form
    171,892.71/257,842.47 = 59,576.60/x
  3. Step 3: Cross multiply
    171,892.71x = 257,842.47 × 59,576.60
  4. Step 4: Simplify right side
    171,892.71x = 15,361,376,408.99
  5. Step 5: Solve for x
    x = 15,361,376,408.99/171,892.71
  6. Step 6: Final answer
    x = 89,366.07

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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.