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Finding the Fourth Proportional to 188,967, 260,755.53 and 116,358.25

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Solution

The fourth proportional to 188,967, 260,755.53 and 116,358.25 is: 160,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,967 : 260,755.53 = 116,358.25 : x
  2. Step 2: Convert to fraction form
    188,967/260,755.53 = 116,358.25/x
  3. Step 3: Cross multiply
    188,967x = 260,755.53 × 116,358.25
  4. Step 4: Simplify right side
    188,967x = 30,341,057,148.62
  5. Step 5: Solve for x
    x = 30,341,057,148.62/188,967
  6. Step 6: Final answer
    x = 160,562.73

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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.