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Finding the Fourth Proportional to 125,650.65, 173,399.24 and 68,289.98

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Solution

The fourth proportional to 125,650.65, 173,399.24 and 68,289.98 is: 94,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,650.65 : 173,399.24 = 68,289.98 : x
  2. Step 2: Convert to fraction form
    125,650.65/173,399.24 = 68,289.98/x
  3. Step 3: Cross multiply
    125,650.65x = 173,399.24 × 68,289.98
  4. Step 4: Simplify right side
    125,650.65x = 11,841,430,631.62
  5. Step 5: Solve for x
    x = 11,841,430,631.62/125,650.65
  6. Step 6: Final answer
    x = 94,240.90

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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.