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Finding the Fourth Proportional to 125,775.44, 173,569.20 and 69,185.60

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Solution

The fourth proportional to 125,775.44, 173,569.20 and 69,185.60 is: 95,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,775.44 : 173,569.20 = 69,185.60 : x
  2. Step 2: Convert to fraction form
    125,775.44/173,569.20 = 69,185.60/x
  3. Step 3: Cross multiply
    125,775.44x = 173,569.20 × 69,185.60
  4. Step 4: Simplify right side
    125,775.44x = 12,008,489,243.52
  5. Step 5: Solve for x
    x = 12,008,489,243.52/125,775.44
  6. Step 6: Final answer
    x = 95,475.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.