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Finding the Fourth Proportional to 175,126.80, 262,690.20 and 48,766.80

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Solution

The fourth proportional to 175,126.80, 262,690.20 and 48,766.80 is: 73,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,126.80 : 262,690.20 = 48,766.80 : x
  2. Step 2: Convert to fraction form
    175,126.80/262,690.20 = 48,766.80/x
  3. Step 3: Cross multiply
    175,126.80x = 262,690.20 × 48,766.80
  4. Step 4: Simplify right side
    175,126.80x = 12,810,560,445.36
  5. Step 5: Solve for x
    x = 12,810,560,445.36/175,126.80
  6. Step 6: Final answer
    x = 73,150.20

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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.