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Finding the Fourth Proportional to 264,467, 396,699.69 and 95,987.10

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Solution

The fourth proportional to 264,467, 396,699.69 and 95,987.10 is: 143,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,467 : 396,699.69 = 95,987.10 : x
  2. Step 2: Convert to fraction form
    264,467/396,699.69 = 95,987.10/x
  3. Step 3: Cross multiply
    264,467x = 396,699.69 × 95,987.10
  4. Step 4: Simplify right side
    264,467x = 38,078,052,814.00
  5. Step 5: Solve for x
    x = 38,078,052,814.00/264,467
  6. Step 6: Final answer
    x = 143,980.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.