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Finding the Fourth Proportional to 188,375.14, 260,025.90 and 124,733.44

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Solution

The fourth proportional to 188,375.14, 260,025.90 and 124,733.44 is: 172,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,375.14 : 260,025.90 = 124,733.44 : x
  2. Step 2: Convert to fraction form
    188,375.14/260,025.90 = 124,733.44/x
  3. Step 3: Cross multiply
    188,375.14x = 260,025.90 × 124,733.44
  4. Step 4: Simplify right side
    188,375.14x = 32,433,924,996.10
  5. Step 5: Solve for x
    x = 32,433,924,996.10/188,375.14
  6. Step 6: Final answer
    x = 172,177.31

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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.