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Finding the Fourth Proportional to 125,958.17, 173,826.47 and 68,599.71

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Solution

The fourth proportional to 125,958.17, 173,826.47 and 68,599.71 is: 94,669.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,958.17 : 173,826.47 = 68,599.71 : x
  2. Step 2: Convert to fraction form
    125,958.17/173,826.47 = 68,599.71/x
  3. Step 3: Cross multiply
    125,958.17x = 173,826.47 × 68,599.71
  4. Step 4: Simplify right side
    125,958.17x = 11,924,445,603.82
  5. Step 5: Solve for x
    x = 11,924,445,603.82/125,958.17
  6. Step 6: Final answer
    x = 94,669.88

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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.