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Finding the Fourth Proportional to 125,914.10, 173,762.62 and 69,327.50

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Solution

The fourth proportional to 125,914.10, 173,762.62 and 69,327.50 is: 95,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,914.10 : 173,762.62 = 69,327.50 : x
  2. Step 2: Convert to fraction form
    125,914.10/173,762.62 = 69,327.50/x
  3. Step 3: Cross multiply
    125,914.10x = 173,762.62 × 69,327.50
  4. Step 4: Simplify right side
    125,914.10x = 12,046,526,995.92
  5. Step 5: Solve for x
    x = 12,046,526,995.92/125,914.10
  6. Step 6: Final answer
    x = 95,672.59

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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.