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Finding the Fourth Proportional to 125,486.93, 173,172.26 and 68,901.95

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Solution

The fourth proportional to 125,486.93, 173,172.26 and 68,901.95 is: 95,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,486.93 : 173,172.26 = 68,901.95 : x
  2. Step 2: Convert to fraction form
    125,486.93/173,172.26 = 68,901.95/x
  3. Step 3: Cross multiply
    125,486.93x = 173,172.26 × 68,901.95
  4. Step 4: Simplify right side
    125,486.93x = 11,931,906,399.91
  5. Step 5: Solve for x
    x = 11,931,906,399.91/125,486.93
  6. Step 6: Final answer
    x = 95,084.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.