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Finding the Fourth Proportional to 100,851.60, 151,080.84 and 58,627.92

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Solution

The fourth proportional to 100,851.60, 151,080.84 and 58,627.92 is: 87,827.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,851.60 : 151,080.84 = 58,627.92 : x
  2. Step 2: Convert to fraction form
    100,851.60/151,080.84 = 58,627.92/x
  3. Step 3: Cross multiply
    100,851.60x = 151,080.84 × 58,627.92
  4. Step 4: Simplify right side
    100,851.60x = 8,857,555,401.05
  5. Step 5: Solve for x
    x = 8,857,555,401.05/100,851.60
  6. Step 6: Final answer
    x = 87,827.61

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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.