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Finding the Fourth Proportional to 236,760.96, 355,049.31 and 76,798.22

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Solution

The fourth proportional to 236,760.96, 355,049.31 and 76,798.22 is: 115,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,760.96 : 355,049.31 = 76,798.22 : x
  2. Step 2: Convert to fraction form
    236,760.96/355,049.31 = 76,798.22/x
  3. Step 3: Cross multiply
    236,760.96x = 355,049.31 × 76,798.22
  4. Step 4: Simplify right side
    236,760.96x = 27,267,153,532.98
  5. Step 5: Solve for x
    x = 27,267,153,532.98/236,760.96
  6. Step 6: Final answer
    x = 115,167.44

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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.