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Finding the Fourth Proportional to 125,959.46, 173,831.91 and 69,370.82

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Solution

The fourth proportional to 125,959.46, 173,831.91 and 69,370.82 is: 95,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,959.46 : 173,831.91 = 69,370.82 : x
  2. Step 2: Convert to fraction form
    125,959.46/173,831.91 = 69,370.82/x
  3. Step 3: Cross multiply
    125,959.46x = 173,831.91 × 69,370.82
  4. Step 4: Simplify right side
    125,959.46x = 12,058,862,138.87
  5. Step 5: Solve for x
    x = 12,058,862,138.87/125,959.46
  6. Step 6: Final answer
    x = 95,736.06

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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.