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Finding the Fourth Proportional to 125,965.45, 188,948.18 and 125,965.45

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Solution

The fourth proportional to 125,965.45, 188,948.18 and 125,965.45 is: 188,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,965.45 : 188,948.18 = 125,965.45 : x
  2. Step 2: Convert to fraction form
    125,965.45/188,948.18 = 125,965.45/x
  3. Step 3: Cross multiply
    125,965.45x = 188,948.18 × 125,965.45
  4. Step 4: Simplify right side
    125,965.45x = 23,800,942,520.38
  5. Step 5: Solve for x
    x = 23,800,942,520.38/125,965.45
  6. Step 6: Final answer
    x = 188,948.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.