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Finding the Fourth Proportional to 264,471, 396,705.68 and 95,991.10

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Solution

The fourth proportional to 264,471, 396,705.68 and 95,991.10 is: 143,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,471 : 396,705.68 = 95,991.10 : x
  2. Step 2: Convert to fraction form
    264,471/396,705.68 = 95,991.10/x
  3. Step 3: Cross multiply
    264,471x = 396,705.68 × 95,991.10
  4. Step 4: Simplify right side
    264,471x = 38,080,214,599.45
  5. Step 5: Solve for x
    x = 38,080,214,599.45/264,471
  6. Step 6: Final answer
    x = 143,986.35

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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.