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Finding the Fourth Proportional to 275,739.22, 413,637.58 and 76,059.64

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Solution

The fourth proportional to 275,739.22, 413,637.58 and 76,059.64 is: 114,097.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,739.22 : 413,637.58 = 76,059.64 : x
  2. Step 2: Convert to fraction form
    275,739.22/413,637.58 = 76,059.64/x
  3. Step 3: Cross multiply
    275,739.22x = 413,637.58 × 76,059.64
  4. Step 4: Simplify right side
    275,739.22x = 31,461,125,425.27
  5. Step 5: Solve for x
    x = 31,461,125,425.27/275,739.22
  6. Step 6: Final answer
    x = 114,097.39

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1.5x scale

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.