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Finding the Fourth Proportional to 188,732.92, 260,443.62 and 102,692.26

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Solution

The fourth proportional to 188,732.92, 260,443.62 and 102,692.26 is: 141,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,732.92 : 260,443.62 = 102,692.26 : x
  2. Step 2: Convert to fraction form
    188,732.92/260,443.62 = 102,692.26/x
  3. Step 3: Cross multiply
    188,732.92x = 260,443.62 × 102,692.26
  4. Step 4: Simplify right side
    188,732.92x = 26,745,542,800.94
  5. Step 5: Solve for x
    x = 26,745,542,800.94/188,732.92
  6. Step 6: Final answer
    x = 141,711.06

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1.5x scale

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.