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Finding the Fourth Proportional to 125,958.90, 173,831.22 and 69,370.32

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Solution

The fourth proportional to 125,958.90, 173,831.22 and 69,370.32 is: 95,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,958.90 : 173,831.22 = 69,370.32 : x
  2. Step 2: Convert to fraction form
    125,958.90/173,831.22 = 69,370.32/x
  3. Step 3: Cross multiply
    125,958.90x = 173,831.22 × 69,370.32
  4. Step 4: Simplify right side
    125,958.90x = 12,058,727,357.39
  5. Step 5: Solve for x
    x = 12,058,727,357.39/125,958.90
  6. Step 6: Final answer
    x = 95,735.41

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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.