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Finding the Fourth Proportional to 125,401.44, 173,053.62 and 68,040.52

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Solution

The fourth proportional to 125,401.44, 173,053.62 and 68,040.52 is: 93,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,401.44 : 173,053.62 = 68,040.52 : x
  2. Step 2: Convert to fraction form
    125,401.44/173,053.62 = 68,040.52/x
  3. Step 3: Cross multiply
    125,401.44x = 173,053.62 × 68,040.52
  4. Step 4: Simplify right side
    125,401.44x = 11,774,658,292.68
  5. Step 5: Solve for x
    x = 11,774,658,292.68/125,401.44
  6. Step 6: Final answer
    x = 93,895.72

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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.