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Finding the Fourth Proportional to 272,576.40, 408,918.08 and 95,089.20

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Solution

The fourth proportional to 272,576.40, 408,918.08 and 95,089.20 is: 142,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,576.40 : 408,918.08 = 95,089.20 : x
  2. Step 2: Convert to fraction form
    272,576.40/408,918.08 = 95,089.20/x
  3. Step 3: Cross multiply
    272,576.40x = 408,918.08 × 95,089.20
  4. Step 4: Simplify right side
    272,576.40x = 38,883,693,092.74
  5. Step 5: Solve for x
    x = 38,883,693,092.74/272,576.40
  6. Step 6: Final answer
    x = 142,652.46

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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.