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Finding the Fourth Proportional to 125,965.96, 173,840.88 and 69,377.32

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Solution

The fourth proportional to 125,965.96, 173,840.88 and 69,377.32 is: 95,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,965.96 : 173,840.88 = 69,377.32 : x
  2. Step 2: Convert to fraction form
    125,965.96/173,840.88 = 69,377.32/x
  3. Step 3: Cross multiply
    125,965.96x = 173,840.88 × 69,377.32
  4. Step 4: Simplify right side
    125,965.96x = 12,060,614,360.84
  5. Step 5: Solve for x
    x = 12,060,614,360.84/125,965.96
  6. Step 6: Final answer
    x = 95,745.03

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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.