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Finding the Fourth Proportional to 175,719.88, 263,478.80 and 54,108.88

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Solution

The fourth proportional to 175,719.88, 263,478.80 and 54,108.88 is: 81,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,719.88 : 263,478.80 = 54,108.88 : x
  2. Step 2: Convert to fraction form
    175,719.88/263,478.80 = 54,108.88/x
  3. Step 3: Cross multiply
    175,719.88x = 263,478.80 × 54,108.88
  4. Step 4: Simplify right side
    175,719.88x = 14,256,542,771.74
  5. Step 5: Solve for x
    x = 14,256,542,771.74/175,719.88
  6. Step 6: Final answer
    x = 81,132.21

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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.