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Finding the Fourth Proportional to 125,697.95, 173,463.11 and 69,109.32

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Solution

The fourth proportional to 125,697.95, 173,463.11 and 69,109.32 is: 95,370.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,697.95 : 173,463.11 = 69,109.32 : x
  2. Step 2: Convert to fraction form
    125,697.95/173,463.11 = 69,109.32/x
  3. Step 3: Cross multiply
    125,697.95x = 173,463.11 × 69,109.32
  4. Step 4: Simplify right side
    125,697.95x = 11,987,917,231.64
  5. Step 5: Solve for x
    x = 11,987,917,231.64/125,697.95
  6. Step 6: Final answer
    x = 95,370.83

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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.