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Finding the Fourth Proportional to 125,624.70, 173,362.80 and 68,264.46

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Solution

The fourth proportional to 125,624.70, 173,362.80 and 68,264.46 is: 94,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,624.70 : 173,362.80 = 68,264.46 : x
  2. Step 2: Convert to fraction form
    125,624.70/173,362.80 = 68,264.46/x
  3. Step 3: Cross multiply
    125,624.70x = 173,362.80 × 68,264.46
  4. Step 4: Simplify right side
    125,624.70x = 11,834,517,926.09
  5. Step 5: Solve for x
    x = 11,834,517,926.09/125,624.70
  6. Step 6: Final answer
    x = 94,205.34

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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.