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Finding the Fourth Proportional to 170,532.90, 255,755.71 and 50,561.80

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Solution

The fourth proportional to 170,532.90, 255,755.71 and 50,561.80 is: 75,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,532.90 : 255,755.71 = 50,561.80 : x
  2. Step 2: Convert to fraction form
    170,532.90/255,755.71 = 50,561.80/x
  3. Step 3: Cross multiply
    170,532.90x = 255,755.71 × 50,561.80
  4. Step 4: Simplify right side
    170,532.90x = 12,931,467,526.29
  5. Step 5: Solve for x
    x = 12,931,467,526.29/170,532.90
  6. Step 6: Final answer
    x = 75,829.75

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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.