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Finding the Fourth Proportional to 188,675.39, 260,367.82 and 108,150.39

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Solution

The fourth proportional to 188,675.39, 260,367.82 and 108,150.39 is: 149,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,675.39 : 260,367.82 = 108,150.39 : x
  2. Step 2: Convert to fraction form
    188,675.39/260,367.82 = 108,150.39/x
  3. Step 3: Cross multiply
    188,675.39x = 260,367.82 × 108,150.39
  4. Step 4: Simplify right side
    188,675.39x = 28,158,881,006.07
  5. Step 5: Solve for x
    x = 28,158,881,006.07/188,675.39
  6. Step 6: Final answer
    x = 149,245.12

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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.