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Finding the Fourth Proportional to 188,755.53, 260,519.93 and 108,237.48

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Solution

The fourth proportional to 188,755.53, 260,519.93 and 108,237.48 is: 149,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,755.53 : 260,519.93 = 108,237.48 : x
  2. Step 2: Convert to fraction form
    188,755.53/260,519.93 = 108,237.48/x
  3. Step 3: Cross multiply
    188,755.53x = 260,519.93 × 108,237.48
  4. Step 4: Simplify right side
    188,755.53x = 28,198,020,712.98
  5. Step 5: Solve for x
    x = 28,198,020,712.98/188,755.53
  6. Step 6: Final answer
    x = 149,389.11

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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.