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Finding the Fourth Proportional to 96,771.64, 145,166.64 and 37,611.88

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Solution

The fourth proportional to 96,771.64, 145,166.64 and 37,611.88 is: 56,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,771.64 : 145,166.64 = 37,611.88 : x
  2. Step 2: Convert to fraction form
    96,771.64/145,166.64 = 37,611.88/x
  3. Step 3: Cross multiply
    96,771.64x = 145,166.64 × 37,611.88
  4. Step 4: Simplify right side
    96,771.64x = 5,459,990,243.68
  5. Step 5: Solve for x
    x = 5,459,990,243.68/96,771.64
  6. Step 6: Final answer
    x = 56,421.39

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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.