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Finding the Fourth Proportional to 125,685.22, 173,446.78 and 69,097

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Solution

The fourth proportional to 125,685.22, 173,446.78 and 69,097 is: 95,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,685.22 : 173,446.78 = 69,097 : x
  2. Step 2: Convert to fraction form
    125,685.22/173,446.78 = 69,097/x
  3. Step 3: Cross multiply
    125,685.22x = 173,446.78 × 69,097
  4. Step 4: Simplify right side
    125,685.22x = 11,984,652,157.66
  5. Step 5: Solve for x
    x = 11,984,652,157.66/125,685.22
  6. Step 6: Final answer
    x = 95,354.51

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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.