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Finding the Fourth Proportional to 171,880.90, 257,759.58 and 59,530.84

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Solution

The fourth proportional to 171,880.90, 257,759.58 and 59,530.84 is: 89,274.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,880.90 : 257,759.58 = 59,530.84 : x
  2. Step 2: Convert to fraction form
    171,880.90/257,759.58 = 59,530.84/x
  3. Step 3: Cross multiply
    171,880.90x = 257,759.58 × 59,530.84
  4. Step 4: Simplify right side
    171,880.90x = 15,344,644,315.45
  5. Step 5: Solve for x
    x = 15,344,644,315.45/171,880.90
  6. Step 6: Final answer
    x = 89,274.87

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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.