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Finding the Fourth Proportional to 188,552.34, 260,201.97 and 108,005.94

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Solution

The fourth proportional to 188,552.34, 260,201.97 and 108,005.94 is: 149,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,552.34 : 260,201.97 = 108,005.94 : x
  2. Step 2: Convert to fraction form
    188,552.34/260,201.97 = 108,005.94/x
  3. Step 3: Cross multiply
    188,552.34x = 260,201.97 × 108,005.94
  4. Step 4: Simplify right side
    188,552.34x = 28,103,358,359.70
  5. Step 5: Solve for x
    x = 28,103,358,359.70/188,552.34
  6. Step 6: Final answer
    x = 149,048.05

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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.