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Finding the Fourth Proportional to 132,745.62, 183,187.53 and 76,165.86

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Solution

The fourth proportional to 132,745.62, 183,187.53 and 76,165.86 is: 105,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,745.62 : 183,187.53 = 76,165.86 : x
  2. Step 2: Convert to fraction form
    132,745.62/183,187.53 = 76,165.86/x
  3. Step 3: Cross multiply
    132,745.62x = 183,187.53 × 76,165.86
  4. Step 4: Simplify right side
    132,745.62x = 13,952,635,763.73
  5. Step 5: Solve for x
    x = 13,952,635,763.73/132,745.62
  6. Step 6: Final answer
    x = 105,108.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.