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Finding the Fourth Proportional to 125,589.56, 173,146.02 and 107,607.56

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Solution

The fourth proportional to 125,589.56, 173,146.02 and 107,607.56 is: 148,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,589.56 : 173,146.02 = 107,607.56 : x
  2. Step 2: Convert to fraction form
    125,589.56/173,146.02 = 107,607.56/x
  3. Step 3: Cross multiply
    125,589.56x = 173,146.02 × 107,607.56
  4. Step 4: Simplify right side
    125,589.56x = 18,631,820,735.91
  5. Step 5: Solve for x
    x = 18,631,820,735.91/125,589.56
  6. Step 6: Final answer
    x = 148,354.85

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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.