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Finding the Fourth Proportional to 188,677.39, 260,370.58 and 108,152.39

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Solution

The fourth proportional to 188,677.39, 260,370.58 and 108,152.39 is: 149,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,677.39 : 260,370.58 = 108,152.39 : x
  2. Step 2: Convert to fraction form
    188,677.39/260,370.58 = 108,152.39/x
  3. Step 3: Cross multiply
    188,677.39x = 260,370.58 × 108,152.39
  4. Step 4: Simplify right side
    188,677.39x = 28,159,700,512.69
  5. Step 5: Solve for x
    x = 28,159,700,512.69/188,677.39
  6. Step 6: Final answer
    x = 149,247.88

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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.