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Finding the Fourth Proportional to 125,970.89, 173,836.22 and 68,608.89

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Solution

The fourth proportional to 125,970.89, 173,836.22 and 68,608.89 is: 94,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,970.89 : 173,836.22 = 68,608.89 : x
  2. Step 2: Convert to fraction form
    125,970.89/173,836.22 = 68,608.89/x
  3. Step 3: Cross multiply
    125,970.89x = 173,836.22 × 68,608.89
  4. Step 4: Simplify right side
    125,970.89x = 11,926,709,752.95
  5. Step 5: Solve for x
    x = 11,926,709,752.95/125,970.89
  6. Step 6: Final answer
    x = 94,678.30

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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.