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Finding the Fourth Proportional to 236,576.70, 354,865.05 and 118,266.30

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Solution

The fourth proportional to 236,576.70, 354,865.05 and 118,266.30 is: 177,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,576.70 : 354,865.05 = 118,266.30 : x
  2. Step 2: Convert to fraction form
    236,576.70/354,865.05 = 118,266.30/x
  3. Step 3: Cross multiply
    236,576.70x = 354,865.05 × 118,266.30
  4. Step 4: Simplify right side
    236,576.70x = 41,968,576,462.82
  5. Step 5: Solve for x
    x = 41,968,576,462.82/236,576.70
  6. Step 6: Final answer
    x = 177,399.45

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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.