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Finding the Fourth Proportional to 171,558, 257,337 and 46,899

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Solution

The fourth proportional to 171,558, 257,337 and 46,899 is: 70,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,558 : 257,337 = 46,899 : x
  2. Step 2: Convert to fraction form
    171,558/257,337 = 46,899/x
  3. Step 3: Cross multiply
    171,558x = 257,337 × 46,899
  4. Step 4: Simplify right side
    171,558x = 12,068,847,963
  5. Step 5: Solve for x
    x = 12,068,847,963/171,558
  6. Step 6: Final answer
    x = 70,348.50

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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.