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Finding the Fourth Proportional to 149,187.60, 223,704.45 and 43,992.90

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Solution

The fourth proportional to 149,187.60, 223,704.45 and 43,992.90 is: 65,966.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,187.60 : 223,704.45 = 43,992.90 : x
  2. Step 2: Convert to fraction form
    149,187.60/223,704.45 = 43,992.90/x
  3. Step 3: Cross multiply
    149,187.60x = 223,704.45 × 43,992.90
  4. Step 4: Simplify right side
    149,187.60x = 9,841,407,498.41
  5. Step 5: Solve for x
    x = 9,841,407,498.41/149,187.60
  6. Step 6: Final answer
    x = 65,966.66

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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.