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Finding the Fourth Proportional to 125,651.60, 173,396.24 and 68,289.56

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Solution

The fourth proportional to 125,651.60, 173,396.24 and 68,289.56 is: 94,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,651.60 : 173,396.24 = 68,289.56 : x
  2. Step 2: Convert to fraction form
    125,651.60/173,396.24 = 68,289.56/x
  3. Step 3: Cross multiply
    125,651.60x = 173,396.24 × 68,289.56
  4. Step 4: Simplify right side
    125,651.60x = 11,841,152,935.25
  5. Step 5: Solve for x
    x = 11,841,152,935.25/125,651.60
  6. Step 6: Final answer
    x = 94,237.98

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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.