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Finding the Fourth Proportional to 263,880.00, 395,810.08 and 76,886.64

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Solution

The fourth proportional to 263,880.00, 395,810.08 and 76,886.64 is: 115,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,880.00 : 395,810.08 = 76,886.64 : x
  2. Step 2: Convert to fraction form
    263,880.00/395,810.08 = 76,886.64/x
  3. Step 3: Cross multiply
    263,880.00x = 395,810.08 × 76,886.64
  4. Step 4: Simplify right side
    263,880.00x = 30,432,507,527.99
  5. Step 5: Solve for x
    x = 30,432,507,527.99/263,880.00
  6. Step 6: Final answer
    x = 115,327.07

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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.