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Finding the Fourth Proportional to 188,909.20, 264,822.80 and 188,909.20

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Solution

The fourth proportional to 188,909.20, 264,822.80 and 188,909.20 is: 264,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,909.20 : 264,822.80 = 188,909.20 : x
  2. Step 2: Convert to fraction form
    188,909.20/264,822.80 = 188,909.20/x
  3. Step 3: Cross multiply
    188,909.20x = 264,822.80 × 188,909.20
  4. Step 4: Simplify right side
    188,909.20x = 50,027,463,289.76
  5. Step 5: Solve for x
    x = 50,027,463,289.76/188,909.20
  6. Step 6: Final answer
    x = 264,822.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.